9⁶-11 when divided by 8 would leave a remainder of :

Given that (a²+b²)=60, then find the value of (a+b)²+(a–b)².

A merchant has 1000 kg sugar, some part of which he sells at 8 % profit and the rest at 18 % profit. He gains 14 % on the whole. The quantity sold at 8 % profit is: 

A shopkeeper bought 240 ton rice. He sold 4/5th is at 37.5% profit, then find at what percentage profit or loss he should sell remaining rice, so as to gain 25% on the whole transaction? 

A bag contains rupee, 50 - paise and 25 - paise coins in the ratio 2 : 3 : 4. If the total amount in the bag is Rs . 45, find the number of 50 - paise coins. 

Find the minimum value of $$ {25 cosec^{2}θ +25sin^{2}θ}$$

Comprehension: Read the following chart and answer the following questions.

Which day of the week recorded maximum train accident deaths? 

Tank is normally filled in 8 hours but takes 2 hours longer to fill because of a leak in its bottom. If the cistern is full, in how many hours will the leak empty it?