Quantitative Aptitude - Arithmetic Ability Questions

If Shubhangi walks with a speed of 2 km/hr, then she reaches her school 5/2 minutes late but if she walks with a speed of 2.5 km/hr, then she reach 5 minutes before the scheduled time. What is the distance (in km) of her school from her house?

A,B and C contract a work for Rs. 440. Together A and B are to do 9/11 of the work. The share of C should be:

In the given figure, in triangle STU, ST = 8 cm,TU = 9 cm and SU = 12 cm. QU = 24 cm, SR = 32 cm and PT = 27 cm. What is the ratio of the area of triangle PQU and area of triangle PTR?

The value of sec217°-1tan273°-sin17°sec73°

Giving two successive discounts of 20% is same as giving one discount of ________ %.

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A,B and C together start a business. Three times the investment of A equals four times the Investment of B and the Capital of B is twice that of C. The ratio of share of each in the profit.

If x + (1/x) = (√3 + 1)/2, then what is the value of x4 + (1/x4)?