Practice mode / Numbers What least number must be added to 1056, so that the sum is completely divisible by 23? A Option A: 2 B Option B: 3 C Option C: 18 D Option D: 21 E Option E: None of these Correct answer A. 2 Show answer Report a problem How we write and check questions
Question 01 / Numbers It is being given that (232 + 1) is completely divisible by a whole number. Which of the following numbers is completely divisible by this number? A Option A: (216 + 1) B Option B: (216 - 1) C Option C: (7 x 223) D Option D: (296 + 1) Correct answer D. (296 + 1) Show answer Open question
Question 02 / Numbers (112 x 54) =? A Option A: 67000 B Option B: 70000 C Option C: 76500 D Option D: 77200 Correct answer B. 70000 Show answer Open question
Question 03 / Numbers Which one of the following is not a prime number? A Option A: 31 B Option B: 61 C Option C: 71 D Option D: 91 Correct answer D. 91 Show answer Open question
Question 04 / Numbers A train 110 meters long passes a telegraph pole in 3 seconds. How long will it take to cross a platform 165 meters long? A Option A: 4 seconds B Option B: 4.5 seconds C Option C: 7 D Option D: 10 seconds Correct answer C. 7 Show answer Open question
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