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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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Q:

If sinθ+ cosecθ=2, then the value of sin-7+cosec7 is

A) 27 B) 2-7
C) 2 D) 2-1
 
Answer & Explanation Answer: C) 2

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Q:

If x+3y=-3x+y, then x22y2 is equal to

A) 1/8 B) 1/2
C) 1/4 D) 4
 
Answer & Explanation Answer: A) 1/8

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Q:

If a2+1=a, then the value of a3 is

A) 0 B) 1
C) -1 D) 2
 
Answer & Explanation Answer: C) -1

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Q:

In a Village panchayat society 574 names are enlisted as 'below poverty level'. If 14% of the villagers are below poverty level, the total number of villagers is?

A) 4100 B) 4200
C) 4000 D) 3800
 
Answer & Explanation Answer: A) 4100

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Q:

In  ABC, the height CD intersects AB at D. The midpoints of AB and BC are P and Q respectively. If AD = 8 cm and CD = 6 cm, then the length of PQ is?

A) 3 cm B) 7 cm
C) 9 cm D) 5 cm
 
Answer & Explanation Answer: D) 5 cm

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Q:

Ravi invested Rs.P in a scheme A offering simple interest at 10% p.a. for two years. He invested the whole amount he received from scheme A, in another scheme (B) offering simple interest at 12% p.a. for five years. If the difference between the interests earned from schemes A and B was Rs. 13,00/, what is the value of P ?

A) 2500 B) 2000
C) 3000 D) 3500
 
Answer & Explanation Answer: A) 2500

Explanation:

It is given that the initial amount invested in scheme A is Rs P at 10%per Annum S.I. =PTR/100 = P x 10 x 2/100 Now the total amount after 2 years is = 1.2P New Rate of interest = 12% per annum Time = 5 years S.I for next 5 years when new principal amount is 1.2 P = 1.2Px12x5/100 = 0.72P Total amount after 5 years at 12% per annun = 1.72P Given that 1.72P - 1.2P = 1300 P = 1300/0.52 P = Rs. 2500

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Filed Under: Simple Interest

Q:

Shiv Prakash Mishra who has been named to receive the prestigious Dhyan Chand Award for lifetima achievement is associated with which game

A) Tennis B) Golf
C) Hockey D) Atheletics
 
Answer & Explanation Answer: A) Tennis

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Filed Under: Sports