Walking at the speed of 4 kilometre per hours Susan covers certain distance in 2 hour 45 minute. Running at the speed of 16.5 km per hour the Suan will cover the same distance in?

D=vxt

Here time= 2 hr 45 min=11/4 hr

Distance=4*11/4=11 km

New speed=16.5

Therefore time=D/v

=(11/16.5)60=40 minutes

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The sum of Tony and Teddy equals thrice their mother's age. Tony is two years younger than teddy. If the age of the mother's age 42. Find the ages of Tony?

Let's

Teddy = x

Tony = x-2

given condition:

3(Tony+Teddy)=Mother

3(x-2+x)=42

6x=48

x=8

Tony = 6 and Teddy =8

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Magi bought seven boxes. A week later half of all her boxes were destroyed in a fire. There are now only 22 boxes left. With how many did she start?

Let's Marla have "x" boxes.

She bought 7 more: x+7

Half of them destroyed: x+7/2

Left with:

x+7/2=22

x+7=22 x 2

x+7=44

x=37

She started with 37 boxes

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

A, B, D, G, ?

The first, second, third,.... letters of the series are respectively moved one, two, three,... steps forward to obtain the successive terms..

Salesman, engineer and accountant . There are two married couple,s in the family . De, the salesman is married to the lady teacher. The doctor is married to the lawyer. F ,the accontent is the son of B and brother of E. C, the lawyer is the daughter in law of A. E is the unmarried engineer. A is the grandmother of F.

What is the profession of B.

C is the daughter in law of A Who is the grandmother of means C is the mother of F. But F is the son of B. So, B is C's husband. But C, the lawyer,is married to the doctor.So,B is the docter.F, the Accountant, will be the son of B and C.E is the unmarried engineer. So, the other married couple can be that of grandmother of F i.e. A, and D.But D, the sale man, is married to the lady teacher. So, D the salesman is the grandfather of F father of B and the husband of A , the lady teacher. Clearly, B is the doctor..

There is a family of 6 persons A, B, C, F, E and F .

They are lawyer, doctors, Teacher,salesman, Engineer and accountant .there are two married couple in the family. D, salesman, is married to lady teacher.the doctor is married to the lawyer . F , unmarried Engineer.A is the grand mother of F. Which of the following is one of the couples?

C is the daughter in law of A who is the Grand Mother of Means C is the mother of F. But F is the son of B. So, B is C, husband.But C, the lawyer, is married to the doctor. So, B is the doctor. F, the accountant, will be the son of B and C. E is the unmarried engineer. So, the other married couples can be that of grandmother of F i. e., A and D. But D, the salesman, is married to the lady teacher. Song, d, the salesman, is the grandfather of f, father of B and the husband of A the lady teacher. The two couple are C and B, and D and A which is nown among the choices..