number system Model Questions & Answers, Practice Test for ssc chsl tier 1 2023
ssc chsl tier 1 2023 SYLLABUS WISE SUBJECTS MCQs
Number System
Simplification
Powers Surds & Indices
Ratio Proportion & Partnership
Percentages
Profit & Loss
Time & Work
Time & Distance
Simple Interest & Compound Interest
Mensuration: Area & Volumes
When $0. \ov 47$ is converted into a fraction the result is
Answer: (d)
$0.\ov47 = 47/99$
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.
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.
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
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
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