Selected MCQ

Current Question
Out of 15 consecutive numbers, probability of selecting two odds is ____.
  • A. 10/17
  • B. 10/19
  • C. 46/105
  • D. Cannot be determined
Correct Answer: D
Explanation:
Exact distribution unclear without the count of odds.
Related Question 1
From first 20 natural numbers, probability of selecting even number is ____.
  • A. 1/2
  • B. 16/19
  • C. 4/5
  • D. 17/20
Correct Answer: A
Explanation:
10 even numbers → 10/20 = 1/2.
Related Question 2
Three consecutive odd integers have a sum such that the last two exceed the first by 13. Find numbeRs.
  • A. 9,11,13
  • B. 11,13,15
  • C. 13,15,17
  • D. 7,9,11
Correct Answer: D
Explanation:
Solve a linear relation.
Related Question 3
Sum of squares of two consecutive integers exceeds product by 91. Find numbeRs.
  • A. 9,10
  • B. 10,11
  • C. 11,12
  • D. 12,13
Correct Answer: A
Explanation:
Form Equation and solve.
Related Question 4
The sum of the squares of three consecutive even numbers is 1460. Find numbeRs.
  • A. 18,20,22
  • B. 20,22,24
  • C. 22,24,26
  • D. 24,26,28
Correct Answer: B
Explanation:
Solve the quadratic Equation.
Related Question 5
The sum of four consecutive even numbers is 292. Find the largest number.
  • A. 74
  • B. 76
  • C. 70
  • D. 68
Correct Answer: C
Explanation:
Solve an arithmetic progression.