A.Rs. 1200
B.Rs. 2400
C.Rs. 4800
D.Cannot be determined
E.None of these
Show AnswerAnswer=Option B
Simplification
If a – b = 3 and a2 + b2 = 29, find the value of ab.
A.10
B.12
C.15
D.18
Show AnswerAnswer=Option A
The price of 10 chairs is equal to that of 4 tables. The price of 15 chairs and 2 tables together is Rs. 4000. The total price of 12 chairs and 3 tables is:
A.Rs. 3500
B.Rs. 3750
C.Rs. 3840
D.Rs. 3900
Show AnswerAnswer=Option D
There are two examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in A is double the number of students in B. The number of students in room A is:
A.20
B.80
C.100
D.200
Show AnswerAnswer=Option C