number system Model Questions & Answers, Practice Test for ssc chsl tier 1 2023

Question :16

When $0. \ov 47$ is converted into a fraction the result is

Answer: (d)

$0.\ov47 = 47/99$

Question :17

What is the greater of two numbers whose product is 640, if the sum of the two numbers, exceeds their difference by 32 ?

Answer: (d)

Suppose the numbers are x and y

∵ xy = 640

and x + y = (x – y) + 32

x + y = x – y + 32

2y = 32 ⇒ y = 16

and $x =640/16 = 40$

So, largest number is 40.

Question :18

If three sides of a right angled triangle are integers in their lowest form, then one of its sides is always divisible by

Answer: (a)

Let the lowest sides of a right triangle be 3, 4, 5.

By Pythagoras theorem, $(3)^2 + (4)^2 = (5)^2$

Hence, one of its sides is always divisible by 5.

Question :19

If an amount of Rs. 72,128 is distributed equally amongst 46 persons how much amount would each person get?

Answer: (d)

Amount received by each person

= $72128/46$ = Rs.1568

Question :20

If we divide a positive integer by another positive integer, what is the resulting number?

Answer: (b)

When we divide a positive integer by another positive integer, the resultant will be a rational number i.e., in the form of p/q, where p and q are positive integers and q ≠ 0

ssc chsl tier 1 2023 IMPORTANT QUESTION AND ANSWERS

Recently Added Subject & Categories For All Competitive Exams

100+ Quadratic Equation Questions Answers PDF for Bank

Quadratic Equation multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams

03-Jul-2024 by Careericons

Continue Reading »

IBPS Aptitude Linear Equations MCQ Questions Answers PDF

Linear equations multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams

03-Jul-2024 by Careericons

Continue Reading »

New 100+ Compound Interest MCQ with Answers PDF for IBPS

Compound Interest verbal ability questions and answers solutions with PDF for IBPS RRB PO. Aptitude Objective MCQ Practice Exercises all competitive exams

02-Jul-2024 by Careericons

Continue Reading »

100+ Mixture and Alligation MCQ Questions PDF for IBPS

Most importantly Mixture and Alligation multiple choice questions and answers with PDF for IBPS RRB PO. Aptitude MCQ Practice Exercises all Bank Exams

02-Jul-2024 by Careericons

Continue Reading »