0
Q:

What is the compound interest earned at the end of 3 years?

I. Simple interest earned on that amount at the same rate and for the same period is Rs. 4500.

II.The rate of interest is 10 p.c.p.a.

III.Compound interest for 3 years is more than the simple interest for that period by Rs.465.

A) I and II only B) II and III only
C) I and III only D) Either II or III only

Answer:   D) Either II or III only



Explanation:

 

 

 

 

 

 

I. gives, S.I for 3 years = Rs. 4500.

 

 

 

II. gives, Rate = 10% p.a.

 

 

 

III. gives, (C.I.) - (S.I.) = Rs. 465.

 

 

 

Clearly, using I and III we get C.I. = Rs. (465 + 4500).

 

 

 

Thus, II is redundant.

 

 

 

Also, from I and II, we get sum =

 

 

 

100 x 4500

 

 

 

= 15000.

 

 

 

10 x 3

 

 

 

Now C.I. on Rs. 15000 at 10% p.a. for 3 years may be obtained.

 

 

 

Thus, III is redundant.

 

 

 

Either II or III is redundant.

Q:

How long does a train, 75 m long, moving at 60 km/hr take to pass a certain telegraph post?

A) 3.5 seconds B) 4.5 seconds
C) 5 seconds D) 5.4 seconds
 
Answer & Explanation Answer: B) 4.5 seconds

Explanation:
Report Error

View Answer Report Error Discuss

0 1053
Q:

A circle and a square have same area. The ratio of the side of the square to the radius of the circle will be:

A) π:1 B) 1:π
C) π2:1 D) 1:π
 
Answer & Explanation Answer: A) π:1

Explanation:
Report Error

View Answer Report Error Discuss

0 868
Q:

The profit (in Rs.) after selling an article for Rs.524 is the same as the loss (in Rs.) after selling it for Rs.452. The cost price of the article is:

A) Rs.480 B) Rs.485
C) Rs.488 D) Rs.500
 
Answer & Explanation Answer: C) Rs.488

Explanation:
Report Error

View Answer Report Error Discuss

0 937
Q:

Ravi has a roadmap with a scale of 1.5 cm for 18 km. He drives on that road for 72 km. What would be his distance covered in that map.

A) 4 cm B) 6 cm
C) 8 cm D) 7 cm
 
Answer & Explanation Answer: B) 6 cm

Explanation:
Report Error

View Answer Report Error Discuss

2 1249
Q:

A watch is listed for Rs.230 and is sold at a discount of 12%, then the sale price of the watch is

A) Rs.27.6 B) Rs.276
C) Rs.202.4 D) Rs.257.6
 
Answer & Explanation Answer: C) Rs.202.4

Explanation:
Report Error

View Answer Report Error Discuss

1 1594
Q:

The diagonal of a cube is 192  cm. Its volume in cm3 will be 

A) 216 B) 432
C) 512 D) 624
 
Answer & Explanation Answer: C) 512

Explanation:
Report Error

View Answer Report Error Discuss

1 1060
Q:

A and B together can do a piece of work in 12 days while A alone can do the same work in 30 days. B alone can do it in

A) 18 days B) 20 days
C) 15 days D) 22 days
 
Answer & Explanation Answer: B) 20 days

Explanation:
Report Error

View Answer Report Error Discuss

1 930
Q:

Find equation of the perpendicular bisector of segment joining the points (2,-5) and (0,7)?

A) x - 6y = 5 B) x + 6y = -5
C) x - 6y = -5 D) x + 6y = 5
 
Answer & Explanation Answer: C) x - 6y = -5

Explanation:
Report Error

View Answer Report Error Discuss

0 848