A. P. C. D. E and F are six members of a family.

One couple has parents and their children in the family.

A is the son of C and E is the daughter of A.

D is the daughter of F who is the mother of E.

What lationship do D and E bear to each other?

E is an daughter of A and F is the mother of E. So A is the father of E and hence the husband of F. Now, D is the daughter of F. So, D and E are the daughters of A and F. Also,A is the son of C. Now, only B remains. Thus, B and C are the parents of A. Clearly, D and E are sisters..

In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

CE, GI, KM, OQ, ?

The letters of each term are alternate and also the last letter of each term and the first letter of the next term are alternate.

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10 evacuator works 10 hour daily to remove 2500 cubic feet of Earth in 3 days. How many evacuator work 6 hour daily to remove 5000 cubic feet of Earth in 2 days?

Let x evacuator are required.

Evacuators are inversely proportional to hours and days are directly proportional to work progress

So,

X/10=(10/6)*(5000/2500)*(3/2)

=48

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John can complete a journey in 19 hours. He travel first half of the journey at the rate of 21 kilometre per hour and second half at the rate of 24 km per hour. Find the total journey in kilometre?

Let the total distance b x kilometre. Then,

15x=168x20

x=[(168x20)/15]=224 km.

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Mr. A walks 100 yards straight from his house which is facing north. Then he walks 200 yards in the reverse direction. Then he turns left and walks 100 yards. In which direction is Mr. A from his original position?

No explanation available for this question..

Boys in a class sit in 5 rows such that there is 1 boy in 1st row and 1 boy increase in each row (2 in 2nd 3 in 3rd....). Now they are rearranged again in 5 rows, but equal no. of boys in each row, how many boys are in a row:

No explanation available for this question..

If you were travelling at 30 miles per hour how long would it take to travel a distance of 70 miles?

Time=distance/speed

Distance is 70 miles, speed is 30 mph

Time=70/30

As with the speed method of calculation the denominator must fit into 60 minutes.

Time=70/30=2.33

2.33*60=140=2 hr 20 min

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