Number Solved Questions For IBPS, SBI and Other Bank Exams - Page 5

You will find 59 problems in 15 pages..

Number Problems Solved Questions (Page 5 of 15)

Question 1
Find X in 11 2/3 + 9 3/4 - 11 2/5 = X
a) 10 1/60 b) 9 3/4 c) 11 3/4 d) none of these

Answer : a) 10 1/60

Solution :

By the above note, we can re write the given eqn as

X = 11 2/3 + 9 3/4 - 11 2/5
= 11 + 2/3 + 9 + 3/4 - 11 - 2/5
= (11+9-11) + 2/3 + 3/4 - 2/5
= 9 + (40 + 45 - 24)/60
= 9 + 61/60
= 9 + 1 + 1/60
= 10 + 1/60
X = 10 1/60
Hence, the answer is 10 1/60.


Question 2

The value of X in 1 2/17 - 4 1/19 + 3 1/34 = X is:
a) 5/43 b) 120/34 c) 61/646 c) 120/646

Answer : c) 61/646

Solution :

Given that X = 1 2/17 - 4 1/19 + 3 1/34
X = 1 + 2/17 - 4 - 1/19 + 3 + 1/34
= (1 - 4 + 3) + 2/17 - 1/19 + 1/34
= 2/17 + 1/34 - 1/19
= 5/34 - 1/19
= (95 - 34) / (34x19)
= 61/646
Hence, the answer is 61/646


Question 3

Find X in the equation 8 1/3 + 1 1/9 + X = 2 2/3
a) 5 8/9 b) 6 7/9 c) 6 4/9 d) 5 3/9

Answer : b) 6 7/9

Solution:

Given that 8 1/3 + 1 1/9 - X = 2 2/3
X = 8 1/3 + 1 1/9 - 2 2/3
= 8 + 1/3 + 1 + 1/9 - 2 - 2/3
= 8 + 1 - 2 + 1/3 + 1/9 - 2/3
= 7 + 1/9 - 1/3
= 7 - 2/9 = 61/9
= 6 + 7/9
Hence the answer is 6 7/9


Question 4

Find X in the equation 7 2/15 + X - 6 4/45 = 13 2/9
a) 12 8/45 b) 7/45 c) 12 1/45 d) 6 4/9

Answer : a)12 8/45

Solution :

Given that 7 2/15 + X - 6 4/45 = 13 2/9
X = 13 2/9 - 7 2/15 + 6 4/45
= 13 + 2/9 - 7 - 2/15 + 6 + 4/45
= (13 - 7 + 6) + 2/9 - 2/15 + 4/45
= 12 + (10 - 6 + 4)/45
= 12 + 8/45
= 12 8/45

Hence the answer is 12 8/45.


Number Problems Solved Questions (Page 5 of 15)

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