Solutions of the quiz of the day. #3

Solutions

Quiz of the day #3

Q.1: In a family M and N are husband and wife. R is brother-in-law of N. P is father-in-law of N. How is P related to R?

 A) Father-in-law
 B) Brother
 C) Father
 D) Mother

... Correct Answer is :  C) Father

M = husband, N= wife, R=M's brother, P= M's father and also R's father.

Q.2: There are some rabbits & some hens. Total number of their heads is 25 & total number of their legs is 80. Find the number of the rabbits in the group.

A) 10
 B) 12
 C) 15
D) 5

... Correct Answer is: C) 15

4R + 2H = 80 ----------(1)
R + H = 25 ---------(2)
multiply (2) by 2 and subtract from (1)
2R = 30; R=15.

Q.3: Find the missing number in the series: 3,7,16,35,?,153

 A) 72
 B) 70
 C) 84
 D) 74

... Correct Answer is: D) 74

3*2 + 1=7
7*2 + 2=16
16*2+3=35
35*2+4=74
74*2+5=153

Q.4: Complete the series:
MCD, NEF, OGH, ? , QKL

 A) IJQ
 B) PIJ
 C) PJI
 D) IJP

... Correct Answer is: B) PIJ

M+1=N; N+1=O; O+1=P
C+2=E; E+2=G; G+2=I
D+2=F; F+2=H; H+2=J

Q.5: Two numbers are in the ratio of 5:8 .If 4 is subtracted from each then the ratio become 1:2.The small number is___.

A) 16
 B) 4
 C) 10
D) 2

... Correct Answer is: C)10

5x-4/8x-4 = 1/2
2(5x-4) = 8x-4
10x-8 = 8x-4
2x = 4
x=2
Smallest number = 5x = 5*2 =10

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