Quantitative Aptitude - Arithmetic Ability Questions

An engineering student has to secure 25% marks to pass. He gets 47 and fails by 43 marks. What are the maximum marks of the examination?

Marked price of an item is Rs 200. On purchase of 1 item discount is 22%, on purchase of 4 items discount is 33%. Rabia buys 5 items, what is the effective discount?

What is the value of 10% of 150% of 400?

If sinA + sin2A = 1 then what is the value of cos2A + cos4A ?

If ab-1b=cb-1c=ac-1a, then ac+ba+cb

If x + (1/x) = √13, then what is the value of x5 – (1/x5)?

In the first 45 overs of a 50 over innings, the run rate was 5.8 runs per over. What is the required run rate in the remaining overs to reach the target of 295 runs?

A and B invest Rs. 3000 and Rs. 2400 respectively in a business. If after one year there is a loss of Rs. 720, how much loss will B bear? (Loss or Profit is in proportion to their investments)