0
Q:

What value should come in place of the question mark (?) in the following question?

52x14+145018=1998÷?

A) 18.25 B) 19.98
C) 34.58 D) 65.25

Answer:   B) 19.98



Explanation:
Q:

Find the angular elevation of the sum when the shadow of a 15m long pole is 152meters

A) 45° B) 60°
C) 30° D) 90°
 
Answer & Explanation Answer: B) 60°

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0 1084
Q:

The percentage change of a number when it is first decreased by 10% and then increased by 10% is

A) 0.1 % increase B) 1 % decrease
C) 0.1 % decrease D) No changes
 
Answer & Explanation Answer: B) 1 % decrease

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0 1002
Q:

The least six digit number which is a perfect square is

A) 100489 B) 100000
C) 100256 D) 100225
 
Answer & Explanation Answer: A) 100489

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0 702
Q:

Two circles of radii 17 cm and 8 cm are concentric. The length of a chord of greater circle which touches the smaller circle is

A) 15 cm B) 16 cm
C) 30 cm D) 34 cm
 
Answer & Explanation Answer: C) 30 cm

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0 745
Q:

If a+b-62+a2b2+1+2b=2ab+2a, then the value of a is 

A) 7 B) 6
C) 3.5 D) 2.5
 
Answer & Explanation Answer: C) 3.5

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0 951
Q:

The simplification value of 735+2-552+7+227+5 is

A) 0 B) 1
C) 5 D) 6
 
Answer & Explanation Answer: A) 0

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1 778
Q:

In a class, average height of all students is 'a' cms. Among them, average height of 10 students is 'b' cms and the average height of the remaining students is 'c' cms. Find the number of students in the class. (Here a>c and b>c )

A) (a(b-c))/(a-c) B) ((b-c)/(a-c))
C) ((b-c)/10(a-c)) D) (10(b-c))/(a_c))
 
Answer & Explanation Answer: D) (10(b-c))/(a_c))

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0 1202
Q:

A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is

A) 21 B) 25
C) 27 D) 29
 
Answer & Explanation Answer: A) 21

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0 650