Verbal Reasoning - Mental Ability Questions

Two lady cyclists A and B start from the same point. A cycles 3.5 km West, then turns to her right and cycles 7 km. B cycles 1 km East, then turns North and cycles 7 km, then turns to her left and cycles 2 km. Where is B with respect to A now?

Pointing towards a girl, Chetan said "She is the daughter of the only child of my grandmother". How is Chetan related to that girl?

If 9@7=4; 6@1=10; 7@4=6; then what is the value of 8@2=?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
MN, PQ, TU, YZ, ?

The average temperature of a town in the first six days of a month was 41 degC and the sum of the temperatures of the first five days of the same month was 201 degC. What was the temperature on the sixth day of the month?

Find the odd word/letters/number pair from the given alternatives.

In the following question, select the related number from the given alternatives.
243 : 578 : : 163 : ?

If 70*10 = -7, 50*5 = -10 and 10*5 = -2, then find the value of 80*1 = ?