Quantitative Aptitude - Arithmetic Ability Questions

If A is 6 times more than B, then by what percentage is B is less than A?

Amar can complete a work in 30 days and Raman can complete the same work in 15 days. If both of them work together, then in 4 days what percent of the total work will be completed?

If a : b = c : d = 1 : 6, then what is the value of a2+c2b2+d2?

If a watch is being sold at Rs 7,225 which is marked at Rs 8,500, then what is the discount (in %) at which the watch is being sold?

If Tan θ = 9/40, then Sec θ = ?

If Tan θ = 7/24, then what is the value of Sec θ?

An article is listed at Rs 2375. A man purchases it at two successive discounts of 50% and 25% and spends Rs 165 on repairing of article. If he sells thearticle at a profit of 62.5%, then what is the selling price (in Rs) of the article?

What is the value of sin225°+ sin265°?