Related Questions

Duralumin is an alloy of aluminium and copper. Percentage of copper in duralumin is
A 38
B 26
C 16
D 4
The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?
A Cyaniding
B Sheardising
C Spherodising
D None of these
The average age of A, B And C sis 30 years. If the difference between B's age and A's age is same as the difference between C's age and B's age . If D is 40 years older than B then what is the sum of the age B and D?
A 130 years
B 60 years
C 75 years
D 100 years
8 years ago, the ratio of A's age to B's age was 4 :5 At present the ratio of B's age and C's age is 4 : 5 At present , the difference between A's age and C's age is 20 years, then what is the sum of the ages of A, B and C?
A 138 years
B 164 years
C 148 years
D 152 years
Which is false statement about case hardening? Case hardening is done by
A Electroplating
B Cyaniding
C Induction hardening
D Nitriding
Duralumin is an alloy of
A Aluminium, copper and manganese
B Aluminium, nickel and silicon
C Aluminium and nickel
D None of these
Son's age is one-third of father's age. In 12 years from now son's age will be one- half of the father's age. What is the age of the son at present?
A 6
B 10
C 24
D 12
Father's age is four times of his son's age now. Twenty years from now, father's age will be double his son's age. What will be the son's age ten years from now?
A 15
B 20
C 25
D 30
Neela got married 6 years ago. Today her age is 1.25 percent times her age at the time of marriage. Her son's age is 1/10 her age. Her son's age is:
A 3 years
B 2.5 years
C 2 years
D 4 years
A man's age is now 3 times his son's age. Eight years back, the man's age was 5 times his son's age. what is the present age of the son?
A 15
B 16
C 20
D 18

Next steps