Exams

The average weight of 100 students is 32 kg. The average weight of first 49 students is 30 kg and of last 50 students is 34 kg. What is the weight (in kg) of the 50th student?

Instrument for measuring light intensity is called

Which is the first payment bank in India?

Ratio of A's age to B's age is 4:3. 'A' will be 26 years old after 6 years. The age of B now is

Rohith Agarwal has three children--- Lila, Visal and Avinash. Avinash married Monika, the eldest daughter of Mr. and Mrs. Roy. The Roys married their youngest daughter to the eldest son of Mr. and Mrs. Sharma, and they had two children named Amit and Shashi. The Roys have two more children, Roshan and Vandana, Both elder to Veena. Sanketh and Yashwanth are sons of Avinash and Monika. Rashmi is the daughter of Amit.

1) How is Veena related to Rashmi ?
(a)Aunt     (b)Niece      (c)Sister     (d)Grand mother

2) How is Vishal related to Vandana ?
(a)Brother     (b)Brother-in-law      (c)Cousin      (d)Nephew

3) What is the surname of Yashwanth ?
(a)Sharma      (b)Roy      (c)Agarwal      (d)None

If a retailer offers a discount of 20% on the marked price of his goods and thus ends up selling at cost price, what was the % mark up?

80 litre mixture of milk and water contains 10% milk. How much milk (in litres) must be added to make water percentage in the mixture as 80%?

If a merchant offers a discount of 10% on the list price, then she makes a loss of 25%. What % profit or % loss will she make if she sells at a discount of 20% of the list price?