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Ques:- What percentage of numbers from 1 to 70 have squares that end in the digit 1?
A. 1
B. 14
C. 20
D. 21
Ques:- The average age of 12 students is 20 years. If the age of one more student is included, the average decreases by 1. What is the age of the new student?
A. 5 years
B. 6 years
C. 7 years
D. 9 years
Ques:- If water is called food, food is called drink, drink is called blue, blue is called red, red is called white and white is called brown, then what is the colour of “blood” ?
A. Blue
B. Red
C. Brown
D. White
E. Drink
Ques:- Find out the wrong number in the series:
4, 5, 15, 49, 201, 1011, 6073
4, 5, 15, 49, 201, 1011, 6073
A. 5
B. 15
C. 49
D. 201