0
Q:

What will be the compound interest earned on an amount of Rs. 5000 in 2 years?

I. The simple interest on the same amount at the same rate of interest in 5 years is Rs.2000.

II. The compound interest and the simple interest earned in one year is the same.

III. The amount becomed more than double on compound interest in 10 years.

A) I only B) .I and II only
C) II and III only D) I and III only

Answer:   



Explanation:
Q:

Aniruddh's birthday is on Sunday 2nd April. On what day of the week will be Priyansh's Birthday in the same year if Priyansh was born on 28th October?

A) Saturday B) Wednesday
C) Friday D) Thursday
 
Answer & Explanation Answer: A) Saturday

Explanation:
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6 1478
Q:

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

-7.5, 15, -30, 60, ? , 240

A) 120 B) -240
C) -120 D) 240
 
Answer & Explanation Answer: C) -120

Explanation:
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4 823
Q:

If a, b and c are positive integers such that 1a+1b+1c+12 = 1623, then what is the mean of a, b and c?

A) 1 B) 2
C) 1.33 D) 2.33
 
Answer & Explanation Answer: B) 2

Explanation:
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7 1066
Q:

For any two real numbers a and b.

a-b2+b-a2 is

A) always zero B) never zero
C) positive only if a ≠ b D) positive if an only if a > b
 
Answer & Explanation Answer: C) positive only if a ≠ b

Explanation:
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1 8269
Q:

Suppose n is a positive integer such that (n2+ 48) is a perfect square. What is the number of such n?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: C) 3

Explanation:
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1 1123
Q:

The expression 52n –23n has a factor?

A) 3 B)  7
C) 17 D) None of the above
 
Answer & Explanation Answer: C) 17

Explanation:
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3 1273
Q:

In an examination, 52% candidates failed in English and 42% failed in Mathematics. If 17% failed in both the subjects, then what percent passed in both the subjects?

 

A) 77 B) 58
C) 48 D) 23
 
Answer & Explanation Answer: D) 23

Explanation:

No of students failed in English only = 52 –17 = 35

No of students failed in maths only = 42 –17 = 25

Total no of failed students in either of the subjects = 35+17+25 = 77

No of passed student in both subjects = 100 –77 = 23

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0 718
Q:

A boat is sailing towards a lighthouse of height 20√3 m at a certain speed. The angle of elevation of the top of the lighthouse changes from 30° to 60° in 10 seconds. What is the time taken (in seconds) by the boat to reach the lighthouse from its initial position?

A) 10 B) 15
C) 20 D) 60
 
Answer & Explanation Answer: B) 15

Explanation:
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0 714