Aptitude | Numbers

Which natural number is nearest to 8485, which is completely divisible by 75 ?

Byadmin July 18, 2022

Question: Which natural number is nearest to 8485, which is completely divisible by 75 ?
[A].

8475

[B].

8500

[C].

8550

[D].

8525

Answer: Option A

Explanation:

On dividing, we get

75) 8485 (113
75
—
98
75
—-
235
225
—
10
—

Required number = (8485 – 10) // Because 10

Aptitude | Volume And Surface Area

A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets on it. The mass of the man is:

Question:
A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets on it. The mass of the man is:

[A].

12 kg
[B].
60 kg
[C].
72 kg
[D].
96 kg

Answer: Option B

Explanation:

Volume of water displaced = (3 x 2 x 0.01) m3

= 0.06 m3.

Mass of man = Volume of water displaced x Density of water

= (0.06 x 1000) kg

= 60 kg.

Read More A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets on it. The mass of the man is:
Aptitude | Numbers

If the number 97215 * 6 is completely divisible by 11, then the smallest whole number in place of * will be:

Question:
If the number 97215 * 6 is completely divisible by 11, then the smallest whole number in place of * will be:

[A].

3
[B].
2
[C].
1
[D].
5

Answer: Option A

Explanation:

Given number = 97215×6

(6 + 5 + 2 + 9) – (x + 1 + 7) = (14 – x), which must be divisible by 11.

x = 3

Read More If the number 97215 * 6 is completely divisible by 11, then the smallest whole number in place of * will be:
Compound Interest | Mathematics Mcqs

A sum of money invested at C.I. amounts to Rs. 800 in 3 years to Rs. 840 in 4 years. The rate of interest per annum is______?

A sum of money invested at C.I. amounts to Rs. 800 in 3 years to Rs. 840 in 4 years. The rate of interest per annum is______?

A. 2 1/2 %
B. 4%
C. 5%
D. 6 2/3 %
Explanation:
S.I. on Rs. 800 for 1 year = (840 – 800) = Rs. 40 Rate = (100 * 40)/(800 * 1) = 5%

Read More A sum of money invested at C.I. amounts to Rs. 800 in 3 years to Rs. 840 in 4 years. The rate of interest per annum is______?
Compound Interest | Mathematics Mcqs

A property decreases in value every year at the rate of 6 1/4% of its value at the beginning of the year its value at the end of 3 years was Rs.21093. Find its value at the beginning of the first year?

A property decreases in value every year at the rate of 6 1/4% of its value at the beginning of the year its value at the end of 3 years was Rs.21093. Find its value at the beginning of the first year?

A. Rs.25600.24
B. Rs.32000.50
C. Rs.18060.36
D. Rs.18600
Explanation:
6 1/4% = 1/16
x *15/16 * 15/16 * 15/16 = 21093
x = 25600.24

Read More A property decreases in value every year at the rate of 6 1/4% of its value at the beginning of the year its value at the end of 3 years was Rs.21093. Find its value at the beginning of the first year?
Aptitude | Numbers

Which of the following is a prime number ?

Question:
Which of the following is a prime number ?

[A].

33
[B].
81
[C].
93
[D].
97

Answer: Option D

Explanation:

Clearly, 97 is a prime number.

Read More Which of the following is a prime number ?
Aptitude | Odd Man Out And Series

331, 482, 551, 263, 383, 362, 284

Question: 331, 482, 551, 263, 383, 362, 284
[A].

263
[B].
383
[C].
331
[D].
551

Answer: Option B

Explanation:

In each number except 383, the product of first and third digits is the middle one.

Read More 331, 482, 551, 263, 383, 362, 284

Volume of water displaced	= (3 x 2 x 0.01) m3
	= 0.06 m3.

Mass of man	= Volume of water displaced x Density of water
	= (0.06 x 1000) kg
	= 60 kg.

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