Mock Test 3 ( Maths )

1)In a cuboid shape tank, water is being poured from the tap at the rate of 60 l/min. The capacity of the tank is 108 cu.m. How much time will be required to fill the tank to half of its capacity?

1. (1) 10 hrs.
2. (2) 3 hrs.
3. (3) 30 hrs.
4. (4) 15 hrs.

Answer: (4) 15 hrs.

Explanation: None.

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2)What will be the compound interest on Rs. 30,000 at the rate of 12% p.a. in 1¹⁄₂ years?

1. (1) Rs. 5400
2. (2) Rs. 6516
3. (3) Rs. 5696
4. (4) Rs. 5616

Answer: (4) Rs. 5616

Explanation:None.

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3) Using the digit only once, from one digit prime number form the greatest and smallest 4 digit number. Which of the following options will not divide the difference between these numbers completely?

1. (1) 3
2. (2) 5
3. (3) 9
4. (4) 7

Answer: (4) 7

Explanation: None.

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4)Which of the following options is not a pythagorean triplet?

1. (1) (3, 4, 5)
2. (2) (7, 24, 25)
3. (3) (8, 15, 17)
4. (4) (5, 13, 14)

Answer:(4) (5, 13, 14)

Explanation: None.

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5)What is the product of two integers between which ^-119⁄₁₃

1. (1) 65
2. (2) 90
3. (3) – 72
4. (4) + 72

Answer: (2) 90

Explanation: None.

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6) ^(169)2-1⁄_(13)²-1

1. (1) 171
2. (2) 168
3. (3) 169
4. (4) 170

Answer: (4) 170

Explanation:None.

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7) I had to give Rs. 7 change to Rickshaw uncle. I had enough coins of Rs. 1, Rs. 2, Rs. 5. Then in how many ways can I pay him?

1. (1) 6 ways
2. (2) 3 ways
3. (3) 5 ways
4. (4) 4 ways

Answer: (1) 6 ways

Explanation:None

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8)The average age of Ria and her 4 friends is 24 years. Their ages are (3m – 2), (2m + 7), (4m – 7), (3m), (3m + 2) respectively. Find the value of ‘m’

1. (1) 7
2. (2) 9
3. (3) 8
4. (4) 5

Answer: (3) 8

Explanation:None

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9)As the rate of ticket of a play increased by 25%, the sale reduced by 15%. What is the rise or fall in the total income?

1. (1) 6.25 % rise
2. (2) 6.25 % fall
3. (3) 12.5 % rise
4. (4) 12.5 % fall

Answer: (1) 6.25 % rise

Explanation:None.

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10)Which of the following are the factors of (a³ – 8b³) ?

1. (1) (a – 2b) (a² – 2ab + 4b²)
2. (2) (a – 2b) (a² – 2ab – 4b²)
3. (3) (a – 2b) (a² + 2ab + 4b²)
4. (4) (a – 2b) (a² + 2ab – 4b²)

Answer: (3) (a – 2b) (a² + 2ab + 4b²)

Explanation: None.

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