Cognizant Company Numerical Ability Arithmetic

A reduction of 20% in the price of mangoes enables a person to purchase 12 more for Rs. 15. What was the price of 16 mangoes before reduction of price ?
A)Rs. 7 B)Rs. 5 C)Rs.6 D)Rs. 9

Read Solution (Total 3)

Price=5:4
1part 12 mangoes
4parts 48 mangoes
48 mangoes -15rs
16 mangoes-5rs
4 years agoHelpfull: Yes(3) No(1)

Ans. B) Rs 5

As price ruduce to 20% then
Let price of one mango be p.
then,
15/0.8p - 15/p = 12
after calculation we get, p = 0.3125
Now, price of 16 mangoes = 16 * 0.3125 = 5
4 years agoHelpfull: Yes(2) No(0)
Ans: Rs. 5
4 years agoHelpfull: Yes(1) No(3)

Cognizant Other Question

Three cubes of edges 20 cms, 12 cms and 16 cms are meted without loss of metal into a single cube. The edge of the new cube will be:
A)18 cms B)24 cms C)16 cms D)20 cms In an election between two candidates, one got 55% of the total valid votes and total 20% votes were invalid. At the end of the day when the total number of votes were counted, the total number was found to be 7500. So what was the total number of valid votes that the loosing candidate got:
A)4800 B)2400 C)3400 D)2700 E)None of these