Quiz on Math Set 114

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Quiz on Math Set 114 :

Question 1 :

After striking the floor, a rubber ball rebounds to 4/5th of the height from which it has fallen. Find the total distance that it travels before coming to rest if it has been gently dropped from a height of 120 metres.
A. 540 m
B. 960 m
C. 1080 m
D. 1020 m

Correct Ans: Option C

Question 2 :

A bacteria gives birth to two new bacteria in each second and the life span of each bacteria is 5 seconds. The process of the reproduction is continuous until the death of the bacteria. initially there is one newly born bacteria at time t = 0, the find the total number of live bacteria just after 10 seconds :
A. (3^10)/2
B. 3^10 - 2^10
C. 3^10 - 2^5
D. None of these

Correct Ans: Option C

Question 3 :

What is the sum of all two digit numbers that gives a remainder of 3 when they are divided by 7? 
A. 666
B. 676
C. 683
D. 777

Correct Ans: Option B

Question 4 :

The remainder , when (15^23 + 23^23) is divided by 19, is 
A. 4
B. 15
C. 0
D. 18

Correct Ans: Option C

Question 5 :

A heap of pebbles when made up into group of 32, 40, 72, leaves the remainder 10, 18 and 50 respectively. Find least number of pebbles in the heaps. 
A. 1440
B. 1420
C. 1418
D. 1422

Correct Ans: Option C

Question 6 :

The sum of two numbers is 684 and their HCF is 57. Find all possible pairs of such numbers. 
A. (57, 627) (285, 399)
B. (37, 575) (270, 390)
C. (45, 495) (30, 330)
D. (45, 575) (280, 890)

Correct Ans: Option A

Question 7 :

Two numbers are in the ratio 3 : 4. If their LCM is 240, the smaller of two number is
A. 100
B. 80
C. 60
D. 50

Correct Ans: Option C

Question 8 :

The HCF of two numbers, each having three digits, is 17 and their LCM is 714. The sum of the numbers will be
A. 289
B. 391
C. 221
D. 731

Correct Ans: Option C

Question 9 :

The greatest number, which when subtracted from 5834, gives a number exactly divisible by each of 20, 28, 32, 35 is. 
A. 1120
B. 4714
C. 5200
D. 5600

Correct Ans: Option B

Question 10 :

LCM of two numbers is 936. If their HCF is 4 and one of the numbers is 72, the other is 
A. 42
B. 52
C. 62
D. None of these

Correct Ans: Option B

Quiz Summary


Here the correct answers of every question in this quiz.

Q.1 [C],     Q.2 [C],     Q.3 [B],     Q.4 [C],     Q.5 [C],     Q.6 [A],     Q.7 [C],     Q.8 [C],     Q.9 [B],     Q.10 [B],    


Total Questions: 10
Your score:
Subject: Math
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