# Quant Test for IBPS PO Prelims Exam set – 28

Directions(1-5): What approximate value will come in place of question mark ‘?’ in the following questions.

1. 16.12*15.94 + 654.92 – 344.83 = ?*5.95
88
84
90
80
95
Option C
16.12*15.94 + 654.92 – 344.83 = ?*5.95
=>16*16 + 655 – 345 = ?*6
=>256 +655 – 345 = ?*6
=>911 – 345 = ?*6
=>566/6 =?
=>? = 90

2. 35.1% of 1599 = ? – (449.96/6.12)*2
620
655
750
815
710
Option E
35.1% of 1599 = ? – (449.96/6.12)*2
=>35% of 1600 = ? – (450/6)*2
=>560 = ? – 75*2
=>560 = ? – 150
=>? = 710

3. 30.11*(1025)^1/2 + 196 = ?^2 – 287
40
38
25
30
48
Option B
30.11*(1025)^1/2 + 196 = ?^2 – 287
=>30*(1024)^1/2 + 196 = ?^2 – 287
=>30*32 + 196 = ?^2 – 287
=>960 + 196 + 287 = ?^2
=>?^2 = 1444
=>? = 38

4. 18.003*3.99 *(135.003 / 26.97) – ( 15.001*3.94) = ?
289
250
300
350
324
Option C
18.003*3.99 *(135.003 / 26.97) – ( 15.001*3.94) = ?
=>18*4*(135/27)- (15*4) = ?
=>72*5 – 60 = ?
=>? = 360 – 60
=>? = 300

5. 41.97 *5.12/2.99 + 49.89 = ?*1.99
55
45
40
52
60
Option E
41.97 *5.12/2.99 + 49.89 = ?*1.99
=>42*5 /3 + 50 = ?*2
=>70 + 50 = ?*2
=>? = 60

6. A pipe can fill a cistern in 8 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the cistern completely?
6
4
5
8
9
Option C
Part filled by P and Q = In One hour pipe can fill = 1/8
Time is taken to fill half of the tank = 1/2 * 8 = 4 hours
Part filled by four pipes in one hour = (4*1/8) = 1/2
Required Remaining Part = 1/2
Total time = 4 + 1 = 5 hours

7. Dhipan borrowed Rs.800 at 6% per annum and Shahrukh borrowed Rs.600 @ 10% per annum. After how much time, will they both have equal debts?
50/3
42/3
51/2
47/3
53/3
Option A
800+(800*6*T)/100 = 600+(600*10*T)/100
T=50/3 yr.

8. The perimeter of a rectangular ppalyground is 210 m. Find the cost of gardening 2 m broad boundary around rectangular playground whose perimeter The cost of gardening is Rs 14 per m2.
5210
6200
6104
6000
5480
Option C
Given 2(l+b) = 210
2 m broad boundary means increase in l and b by 4 m
So area of the boundary will be [(l+4)(b+4) – lb] = 4(l+b) + 16 = 2*[2(l+b)] + 16 = 2*210 + 16 = 436 m2
So cost of gardening = 436*14 = Rs. 6104

9. One type of liquid contains 20 percent of milk and second type of liquid contains 40 percent milk. If 4 part of the first and 6 part of the second are mix, then what is the percent of water in the mixture.
74%
70%
68%
60%
50%
Option C
Let water = 80ltr and 60ltr in first and second mixture respectively
Percent of water = [(80*4 + 60*6)/1000]100 = 68%

10. A urn contains 4 red balls, 5 green balls and 6 white balls, if one ball is drawn at random, find the probability that it is neither red nor white.
1/5
1/7
1/6
1/3
1/4
Option D
Probability = 5c1/15c1 = 1/3

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