Elitmus Exam HR Interview Interview

What was the percentage profit in selling a litre of milk?
!) 15 litres of milk was sold at cost price after adding 20% of water
2) MIlk was purchased at Rs 16 per litre
(Data Sufficiency)

Read Solution (Total 10)

Elitmus Other Question

IF x and y are real then is x positive?
1)x^2m and y^2n have same sigh given both m and n are positive integers.
2)Both x^m and Y^n are positive, Given m and n are consecutive integers.
DATA SUFFICIENCY
Nandu bought a pen . HE paid for it with currency notes of denominations Re1 ,Rs 2 ,Rs 5 and Rs 10 using at least one note of each denomination. The total number of five and ten rupee notes used was one more than the total number of one and two rupee notes used. How many one rupee notes did Nandu used to pay for the pen
!)nandu used a total of 13 currency notes
2)The price of the pen was a multiple of ten