Verbal Reasoning - Mental Ability Questions

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series.
rupees, arena, pursue, spare, separate, ?

Select the related word from the given alternatives.
River : Stream :: Ocean : ?

Aman is 4 years older to Bimal. Bimal is 2 years younger to Chaman. Chaman is 6 years older to Dhruv. Dhruv is 9 years younger to Esha. Who is the second eldest?

If 18α1 = 34, 19α2 = 34 and 18α3 = 30, then find the value of 18α8 = ?

In the following question, select the missing number from the given series.146, 137, 128, ?, 110, 101

In the following question, select the related number from the given alternatives.

101 : 10201 : : 107 : ?

If "+" means "minus", "x" means "divided by", "÷" means "plus" and "-" means "multiplied by", then 126 x 14 + 7 - 3 ÷ 2 = ?

Kamal starts walking from his home facing west direction. After walking 10 km he takes a right turn and walks another 10 km. He takes another right turn and walks 10 km to reach his school. How far (in km) and in which direction is he from his home?