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ক্রমান্বিত প্রশ্ন সেট
1 what is the probability that an integer selected at random from those between 10 and 100 inclusive is a multiple of 5 or 9?
2789
2091
2791
2389
2 Rahim ranks seventh from the top and twenty-sixth from the bottom in class . How many students are there in the class ?
32
33
34
31
3 which of the following organization of World Bank is known as ‘soft loan window’?
IBRD
IDA
IFC
MIGA
4 The ratio of ages of a father and his son was 5:1. What is the age of the son after five years, if the ratio of their ages is 3:1 by this time ? 7
10
12
14
16
5 From 6 boys and 4 girls, 5 are to be selected for admission for a particular course. In how many ways can this be done if there must be exactly 2 girls?
60
30
90
120
15
6 The average of nine numbers is 50. The average of the first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is:
30
34
44
24
7 একটি সমবাহু ত্রিভূজের বাহুর প্রত্যেকটির দৈর্ঘ্য ২ মিটার বাড়ালে এর ক্ষেত্রফল ৩√৩ বর্গ মিটার বেড়ে যায়। সমবাহু ত্রিভূজের বাহুর দৈর্ঘ্য কত?
১ মিটার
২ মিটার
৩ মিটার
৪ মিটার
8 The price of a certain DVD is discounted by 10% and the reduced price is then discounted by 10%. This series of successive discounts is equivalent to a single discount of
20%
19%
18%
11%
10%
9 A train 240 m long passed a pole in 24 seconds . How long will it take to pass a platform 650 m long ? __
65 s
89 s
100 s
130 s
10 Average of the five consecutive even numbers is 8. Which is the smallest of the 5 numbers?
3
5
6
None of them