In an examination, there were three papers of Mathematics, two papers of English and one paper of Science. All papers were of 100 marks. S got 60% in Mathematics, 70% in English and 50% in Science. What was his percentage of marks in all papers?

A number is first decreased by 15% and then increased by 20%. The number so obtained is 78 more than the original number. The original number is:

The price (per litre) of petrol increases by 85%. By what percent should its consumption be reduced such that the expenditure on it increases by 48% only?

A candidate scores 25% marks and fails by 68 marks, while another candidate, who score 50% marks, gets 42 marks than the minimum required marks to pass the examination. Find the maximum marks for the examination.

The price (per litre) of petrol increases by 60%. By what percent should its consumption be reduced such that the expenditure on it increases by 12% only?

If 4% of \(x\)= 72, then \(x\) is equal to :

If 2% of \(x\)= 348, then \(x\) is equal to :

The population of a district is 369000, out of which 186000 are males. 45% of the population is literate. If 45% males are literate , then what percentage of females are literate?

The price of a shirt is first increased by 15% and then decreased by 12%, and again increased by 8%. Find the net increase or decrease percentage (correct to one decimal place) in the price of the shirt.

In an election contested by two candidates, one candidate got 25% of the total votes and still lost by 20,000 votes. Find the total number of votes cast? (all votes are valid)

A dishonest shopkeeper claims to sell rice at the cost price of ₹95 per kg, but the weight he uses has 1 kg written on it, while it actually weighs 950 gm. The profit he thus earns on selling rice having an actual weight of 95 kg rice is:

Two candidates contested in an election. One of them secured 62.5% of the total votes and won by 996 votes. What is the total number of votes cast?(all votes are valid)

Two mixers and one TV cost ₹7,000, while two TVs and one mixer cost ₹9,800. The value of one TV is:

If 4% of (A + B) is equal to 28% of (A – B), then find A : B.

A merchant has 5000 kg of Basmati rice. He sells some part of this Basmati rice at 20% profit and the rest at 35% profit. He gains 29% in the entire transaction. What is the quantity sold at 20% profit and 35% profit, respectively?

Sunil, Basid, Vikram, and Kuldeep receive salaries in the ratio of 3 : 7 : 8 : 13. If the difference between the salaries of Sunil and Basid is ₹2,000, then what is the difference between the salaries (in₹) of Vikram and Kuldeep?