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1.

The average age of A and B 10 years ago was 20. The average age of A, B and C today is 30, so what will be the age of C after 5 years.

Answer»

The AVERAGE age of A and B 10 YEARS ago was 20. The average age of A, B and C TODAY is 30, so what will be the age of C after 5 years.
Choose the correct option from below list
(1)30
(2)25
(3)40
(4)35

Answer:-(4)35
Note:-A+B = 60.
A,B,C = 90
so Age of C = 30+5 = 35
Discussion
2.

If January 1, 2020, was Wednesday, what day of the week was January 1, 2021?

Answer»

If January 1, 2020, was Wednesday, what day of the week was January 1, 2021?
Choose the correct option from below list
(1)THURSDAY
(2)Wednesday
(3)Friday
(4)Sunday

Answer:-(3)Friday
Note:-The year 2020 is divisible by 4, so it is a leap year with 2 odd DAYS.
As per the question, the first day of the year 2020 was Wednesday, so the first day of the year 2021 MUST be two days after Wednesday. So, it was Friday.
Discussion
3.

5, 14 , 40 , 117 ,__

Answer»

5, 14 , 40 , 117 ,__
Choose the correct option from below LIST
(1)370
(2)270
(3)380
(4)347

Answer:-(4)347
Note:-5*3-1 = 14
14*3-2 = 40
40*3-3 = 117
117*3-4 = 347
Discussion
4.

The length and breadth of a rectangle are increased by 30percent and 20percent respectively. Its area will be increased by

Answer»

The length and breadth of a rectangle are increased by 30percent and 20percent RESPECTIVELY. Its area will be increased by
Choose the correct option from below list
(1)50%
(2)70%
(3)80%
(4)56%

Answer:-(4)56%
NOTES:-30 + 20 + (30*20/100) = 56%
Discussion