English
Hindi
Telugu
Bengali
Marathi
Malayalam
Tamil

Question

Download Solution PDF

If √625 = 25; then√(.00000625/25)is:

A. 0.0025

B. 0.001

C. 0.0001

D. 0.0005

This question was previously asked in
NTPC Tier I (Held On: 29 Apr 2016 Shift 2)
Download PDF Attempt in App
View all RRB NTPC Papers >
  1. B
  2. C
  3. A
  4. D

Answer (Detailed Solution Below)

Option 4 : D
Free Tests
View all Free tests >
Free
RRB Exams (Railway) Biology (Cell) Mock Test
10 Qs. 10 Marks 7 Mins
Start Now

Detailed Solution

Download Solution PDF

√ (.00000625/25)

⇒ 25 × 10- 4 ÷ 5

⇒ 5 × 10-4

⇒ 0.0005

Download Solution PDF
Latest RRB NTPC Updates

Last updated on Jul 2, 2025

-> RRB NTPC Under Graduate Exam Date 2025 has been released on the official website of the Railway Recruitment Board. 

-> The RRB NTPC Admit Card will be released on its official website for RRB NTPC Under Graduate Exam 2025.

-> Candidates who will appear for the RRB NTPC Exam can check their RRB NTPC Time Table 2025 from here. 

-> TNPSC Group 4 Hall Ticket has been released on the official website @tnpscexams.in

-> The RRB NTPC 2025 Notification released for a total of 11558 vacancies. A total of 3445 Vacancies have been announced for Undergraduate posts like Commercial Cum Ticket Clerk, Accounts Clerk Cum Typist, Junior Clerk cum Typist & Trains Clerk.

-> A total of 8114 vacancies are announced for Graduate-level posts in the Non-Technical Popular Categories (NTPC) such as Junior Clerk cum Typist, Accounts Clerk cum Typist, Station Master, etc.

-> Prepare for the exam using RRB NTPC Previous Year Papers.

-> Get detailed subject-wise UGC NET Exam Analysis 2025 and UGC NET Question Paper 2025 for shift 1 (25 June) here

Exams Tests Super Practice

More Surds and Indices Questions

Q1.Simplify: \({625^{0.17}} \times {625^{0.08}} = {25^?} \times {25^{ - \frac{3}{2}}}\)
Q2.Evaluate:
Q3.Find the simplest form. \(\frac{\left(a^7 × b^3 × c^3\right)}{\left(a^{10} × b^3 × c^4\right)}\)
Q4.Simplify \(\frac{\left(4^{3} \times 5^{4} \times 3^{5}\right)}{\left(4^{1} \times 5^{1} \times 3^{1}\right)}\)
Q5.Find the value of \(\left[\left(\frac{7}{6}\right)^{-9}\times \left(\frac{6}{7}\right)^{-5}\times \left(\frac{1}{8}\right)^{-4}\right]^{-5}\)
Q6. Find the value of \( \left(\frac{1}{7}\right)^{-4} + \left(\frac{1}{9}\right)^{-4} + \left(\frac{1}{5}\right)^{-4} \)
Q7.(19)¹² × (19)⁸ ÷ (19)⁴ = (19)?
Q8.Evaluate (27)2/3 ?
Q9.95.9753.5 ÷ 16.0013.5 × 6.0021.5 ÷ 35.992 = ?
Q10.Find the value of \(\sqrt{6+\sqrt{6+\sqrt{6+\sqrt{6+\sqrt{6+...}}}}}=?\)

More Simplification Questions

Q1.Simplify: \({625^{0.17}} \times {625^{0.08}} = {25^?} \times {25^{ - \frac{3}{2}}}\)
Q2.If 395 × x = 2765, then x is -
Q3.What appro×imate value should come in the place of ‘?’ in the following questions. 345.5 + 125 + 112 - 34 = ?
Q4.What appro×imate value should come in the place of ‘?’ in the following questions. \((?)^3+ (600) = 725\)
Q5.What appro×imate value should come in the place of ‘?’ in the following questions. 12.5 + 155.5 + 120 - 130 = 125 + ? 
Q6.What appro×imate value should come in the place of ‘?’ in the following questions. ? × 12 × 3/4 + 120 = 786
Q7.What appro×imate value should come in the place of ‘?’ in the following questions. 2252 + 1176 + ? + 75 = 3503
Q8.What appro×imate value should come in the place of ‘?’ in the following questions. \({(18\times?)}\div120 \times60 + 48 = 54\)
Q9.What appro×imate value should come in the place of ‘?’ in the following questions. 17/8 × ?/51 × 4/9 = 20/27
Q10.What appro×imate value should come in the place of ‘?’ in the following questions. 72 × 105 ÷ ? + 63 = 567 
Suggested Test Series
View All >
RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2)
2187 Total Tests with 16 Free Tests
Start Free Test
Current Affairs (CA) 2025 Mega Pack for SSC/Railways/State Exam Mock Test
431 Total Tests with   4 Free Tests
Start Free Test

RRB Group D Important Links

Admit CardExam DateSyllabusPrevious Year PapersApply OnlineApplication Status

More Quantitative Aptitude Questions

Q1.Perimeter of a rectangular field is equal to the perimeter of a triangular field whose sides are in the ratio 3:2:4 respectively. lf area of rectangular field is 500 m2 and sides are in the ratio 5:4 respectively, then calculate the longer side of the triangular field.
Q2.A cistern has an inlet pipe and an outlet pipe. Inlet pipe can fill three-fourth of the cistern in 24 minutes while outlet pipe can empty the one-third filled cistern in 16 minutes. If both the pipes are opened together, then the cistern will be completely filled in-
Q3.In a family, three sons were born for every 3 years one after the other. If the ratio of present ages of father and the eldest son is 15:7 and the average of the present ages of the 3 sons is 18 years. What will be the ratio of the ages of the father and the youngest son after 5 years?
Q4.Train A of length 80m while moving crosses a pole in 16 seconds. lf it is known that the lengths of train B and train A is in the ratio of 3:1, then how long would it take train B to cross a platform which is half the length of train A if the speed of train B is same as that of train A?
Q5.Can A and Can B contain a mixture of soda and water in the ratio of 5 : 3 and 7 : 2 respectively If soda and water are taken out in the ratio of P : Q from can A and B respectively to form a new mixture in which the ratio of soda and water is 12 : 5 respectively, then find the value Of P:Q?
Q6.A boat can covers a certain distance in upstream and same distance in downstream in total of 7 hours 48 minutes, If upstream speed of the boat is 62.5%. of downstream speed of the boat and speed of the stream is 3 km/h, what is the total distance covered by the boat?
Q7.M and R went for shopping and bought two sarees each at different cost. Cost price of saree bought by R is Rs.250 more than the cost price of saree bought by M. Shopkeeper earned a profit of 20% on selling both the sarees together to R and M which he bought them at total Rs.6000. At what cost did M buy saree?
Q8.There are three numbers m, n, and p, such that sum of m and n is 144, sum of thrice of n and five times of p is 464, and sum of p and m is 160, then what is the value of p?
Q9.While calculating average marks of 60 students, the two digits of original marks of a student are written reversed and thereby average of marks is increased by 0.6 Find the difference between the two digits of marks of the student?  
Q10.Simple interest received on a certain sum at a rate of simple interest of 5% for 2 years is Rs.780. If the rate of interest remains same, what will be the total amount at the time of withdrawal at the end of 5 years.  
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
support@testbook.com
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Hot Links： real cash teen patti teen patti rummy 51 bonus teen patti master list teen patti app teen patti master app