Daily Dose – 10: Quant Quiz – SBI PO

Q 1.     Three numbers are in ratio 3:4:5. The sum of largest and smallest equals sum of middle and 76. Find the largest number?

1. 57
2. 76
3. 95
4. 101

Q 2.     In a 60 litre of mixture, the quantity of milk and water is in ratio of  2:3. What quantity of water need to be added so that ratio becomes 1:2?

1. 12
2. 15
3. 18
4. 21

Q 3.     Two equal glasses are respectively 1/3 and 1/4 full of milk. They are then filled with water and content are mixed in the tumbler. Ratio of milk and water in new mixture in tumbler is?

1. 7:19
2. 17:7
3. 7:17
4. 18:7

Q 4.     A and B are two alloys of gold and Cu prepared by mixing metals in the proportion 7:2 and 7:11 respectively. If equal quantity of alloy are melted to form a third alloy C, then proportion of gold and Cu in C?

1. 5:7
2. 5:9
3. 9:5
4. 7:5

Q 5.     After deducting 10% from a certain sum, and then deducting 20% from the remainder, there is Rs 7200 left. What was the original sum?

1. 5000
2. 10000
3. 12500
4. 15000

Q 6.     A train travels from Amritsar to Delhi at rate of 30 km/hr and from Delhi to Amritsar at the rate of  20 km/hr. What is the average rate for the whole journey?

1. 15 km/hr
2. 25 km/hr
3. 24 km/hr
4. 28 km/hr

Q 7.     The ratio of Mohit’s age to the age of his mother is 3:11. The difference of their ages is 32 years. What is the ratio of their ages after four years?

1. 2:3
2. 2:5
3. 1:5
4. 1:3

Q 8.     24 men can do a piece of work in 10 days. How many men are needed to complete the same work in 40 days?

1. 4
2. 6
3. 8
4. 10

Q 9.     A sum of money at compound interest amounts to four times itself in four years. In how many years will it be 16 times itself?

1. 16
2. 12
3. 8
4. 4

Q 10.  (17.28 / ?)/3.6 * 0.2 = 400. What will come in place of question mark?

1.  0.0024
2. 34.338
3. 60.88
4. 0.08

Answers

1. (c)
   Let’s suppose three numbers are 3x, 4x, 5x. According to question:
   3x + 5x = 76 + 4x
   => 4x = 76
   => x = 19
   The largest number is 5x => 5*19 = 95
2. (a)
   Total quantity of mixture = 60L
   Milk and water are in ratio of 2:3. Thus,
   Milk = 24L, Water = 36L
   Let ‘x’ is added to mixture, so that new ratio is 1:2,
   New quantity of milk = 24, water = 36+x
   => 24/36+x = ½
   => x = 12
3. (c)
4. (d)
5. (b)
6. (c)
7. (d)
8. (b)
9. (c)
10. (a)

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