📚Important Numerical Questions for Competitive Exams....📚

1⃣ If a - b = 3 and a2 + b2 = 29, find the value of ab.
📌Ans. :- 10

2⃣ The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:
📌Ans. :- 23

3⃣ In how many different ways can the letters of the word 'DETAIL' be arranged in such a way that the vowels occupy only the odd positions?
📌Ans. :- 36

4⃣ 617 + 6.017 + 0.617 + 6.0017 = ?
📌Ans. :-  629.6357

5⃣ The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?
📌Ans. :- 23 years

6⃣ (256)0.16 x (256)0.09 = ?
📌Ans. :- 4

7⃣ 10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
📌Ans. :- 7

8⃣ A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metres long train running at 45 kmph in the same direction. In how much time will the train pass the jogger?
📌Ans. :- 36 sec

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