3897 x 999 = ? A. 3883203 B. 3893103 C. 3639403 D. 29 Solution 3897 x 999 = 3897 x (1000 – 1) = 3897 x 1000 – 3897 x 1 = 3897000 – 3897 = 3893103. Answer: B

### Problem on number

Quantitative Aptitude Questions and Answers on Problem on number for IBPS Exams, candidate who are preparing for Bank Exam, please check all the questions and answers on Problem on number , these are questions which are asked in competitive exams like IBPS clerk, IBPS PO, IBPS MT and Specialist Officer. we have good collection of Arithmetic Aptitude.

IBPS exam gives aptitude test in the **preliminary exam** as well as **main exam**, considering the importance of quantitative aptitude; candidates should prepare it well for clearing CWE. The banking exams give a weightage of 75 marks in quantitative aptitude to test the mathematical / numerical ability of aspirants. Being one of the most weighted sections, it demands focused hard work and regular preparation. The questions are formed from simple mathematical concepts yet too many candidates fear from this topic.

Quantitative aptitude consists of questions based on mathematical concepts and the ability to solve them as fast as one could. During the IBPS exam, it’s the speed of solving questions correctly that matters. It is therefore considered a good practice to exercise aptitude questions regularly and not loose time on solving questions during exams. For honing the skills of solving quantitative aptitude, one must know simple tricks to solve questions without committing common mistakes.

## Problem on number | Aptitude Question and Answer

Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: A. 11 B. 15 C. 21 D. 29 Solution Let the three integers be x, x + 2 and x + 4. Then, 3x = 2(x + 4) + 3 ==> x = 11. Third […]

## Problem on number | Aptitude Question and Answer

3251 + 587 + 369 – ? = 3007 A. 1250 B. 1200 C. 1375 D. None of these Solution 3251 + 587 + 369 = 4207 Let 4207 – x = 3007 Then, x = 4207 – 3007 = 1200 Answer: B

## Problem on number | Aptitude Question and Answer

The sum of two numbers is 25 and their difference is 13. Find their product. A. 99 B. 177 C. 255 D. 114 Solution Let the numbers be x and y. Then, x + y = 25 and x – y = 13. 4xy = (x + y)2 – (x- y)2 = (25)2 – (13)2 […]

## Problem on number | Aptitude Question and Answer

8796 x 223 + 8796 x 77 = ? A. 2736900 B. 2638800 C. 2658560 D. 2716740 Solution 8796 x 223 + 8796 x 77 = 8796 (223 + 77) 8796 is Common = (8796 x 300) = 2638800 Answer: B

## Problem on number | Aptitude Question and Answer

Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: A. 4 B. 5 C.6 D. 10 Solution Let the number be x Then, 3×2 – 4x = x + 50 ==> 3×2 – 5x-50 = 0 ==> (3x+10)(x-5)=0 ==> X […]

## Problem on number | Aptitude Question and Answer

287 x 287 + 269 x 269 – 2 x 287 x 269 = ? A. 534 B. 446 C. 354 D. 324 Solution Given Exp. = a2 + b2 – 2ab, where a = 287 and b = 269 = (a – b)2 = (287 – 269)2 = (182) = 324 Answer: D […]

## Problem on number | Aptitude Question and Answer

If the sum of two numbers is 22 and the sum of their squares is 404, then the product of the number is: A. 40 B. 44 C. 80 D. 88 Answer: A Solution Let the numbers be X and Y. Then, (X+Y) = 22 and X2+Y2 = 404 Now, 2xy = (X+Y)2 – (X2+Y2) […]

## Problem on number | Aptitude Question and Answer

3 + 33 + 333 + 3.33 = ? A. 362.3 B. 372.33 C. 702.33 D. None of these Answer : B Solution 3 + 33 + 333 + 3.33=372.33

## Problem on number | Aptitude Question and Answer

What is the sum of two consecutive even numbers, the difference of whose squares is 84? A. 34 B. 38 C. 42 D. 46 Answer :C Solution Let the numbers be x and […]

## Problem on number | Aptitude Question and Answer

Which one of the following can’t be the square of natural number ? A. 30976 B. 75625 C. 143642 D. None of these Answer: C Solution The square of a natural number nerver ends in 2. 143642 is not the square of natural number.

## Problem on number | Aptitude Question and Answer

The Difference between a two–digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number? A. 3 B. 4 C. 9 D. None of these Answer:B Solution Let the ten’s digit be x and unit’s digit be […]