The remainder , when (22225555 + 55552222) is divided by 7, is a) 4 b) 5 c) 0 d) 2
View QuestionWhich one of the following is not a prime number?
a) 31 b) 61 c) 71 d) 91 Answer: d Explanation: 91 is divisible by 7. So, ...
View QuestionThe owner of a local jewellery store hired 3 watchmen to guard his diamonds, but a thief still got in and stole some diamonds. On the way out, the thief met each watchman, one at a time. To each he gave 1/2 of the diamonds he had then and 2 more besides. He escaped with one diamond. How many did he steal originally?
The owner of a local jewellery store hired 3 watchmen to guard his diamonds, but a thief still ...
View QuestionThe highest power of 17 which can divide exactly the following: (18^2 – 1) (18^4 – 1) (18^6 – 1) (18^8 – 1) . . . . (18^16 – 1) (18^18 – 1) is :
The highest power of 17 which can divide exactly the following: (182 - 1) (184 - 1) (186 ...
View QuestionA boy appeared in CAT for four consecutive year years, but coincidentally each time his net score was 75. He told me that there was 1/3 rd negative marking for every wrong answer and 1 mark was allotted for every correct answer. He has attempted all the questions every year, but certainly some answers have been wrong due conceptual problem. Which is not the total number of questions asked for CAT in any year, in that period?
A boy appeared in CAT for four consecutive year years, but coincidentally each time his net score was ...
View QuestionRecently, a small village, in Tamilnadu where only male shepherd reside with four sheep each, was devastated by Tsunami waves. Therefore 8 persons and 47 sheep were found to be dead and the person who luckily survived, left the village with one sheep each since 21 sheep were too injured to move so have left on their on luck, in the village. The number of sheep which were earlier in the village was :
a) 84 sheep b) 120 sheep c) 80 sheep d) 90 sheep Answer: c
View QuestionThere are 154 beads in a rosary and all are coloured, either RED or BLUE or GREEN. The number of blue ones is three less than red and five more than green. The number of Red beads
a) 55 b) 47 c) 45 d) 52 Answer: a Explanation: Let the ...
View QuestionThe remainder when 10^10 + 10^100 + 10^1000 + . . . . . . + 10^1000000000 is divided by 7 is
The remainder when 1010 + 10100 + 101000 + . . . . . . + 101000000000 is ...
View QuestionWhat is the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder?
a) 1108 b) 1683 c) 2007 d) 3363 Answer: b Explanation: LCM of 5, 6, 7 and ...
View QuestionSix bells start ringing together and ring at intervals of 4, 8, 10, 12, 15 and 20 seconds respectively. how many times will they ring together in 60 minutes ?
a) 31 b) 15 c) 16 d) 30 Answer: a Explanation: LCM of 4, 8, 10, ...
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