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Nasif's watch gains 4 minutes per hour. It was correct at 2:00 pm yesterday. When it displays 6:00 am today. What is the accurate time?

A

4 : 00 am

B

4 : 30 am

C

5 : 00 am

D

5 : 30 am

উত্তর : C.

5 : 00 am

শেয়ার :

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সম্পর্কিত প্রশ্ন সমূহ

১.

A litt serves floors 1 through 16, moving one floor every 12 seconds. It walts 48 seconds at both endpoints. It can complete how many round trips from 9.00 AM to 3: 20 AM?

A46
B48
C50
D52
২.

What should be the ratio of sugar in a mixture costing BDT 50 per kg and BDT 55 per kg, such that there will be 10% profit if the mixture is sold for BDT 60 per kg?

ASat Dec 30 1899 10:11:00 GMT+0000 (Coordinated Universal Time)
BSat Dec 30 1899 10:01:00 GMT+0000 (Coordinated Universal Time)
CSat Dec 30 1899 01:10:00 GMT+0000 (Coordinated Universal Time)
DSat Dec 30 1899 06:05:00 GMT+0000 (Coordinated Universal Time)
৩.

In trangle ABC, the external bisectors of the angles B and C intersect at point O. If angle A is 90 degrees, then the measure of the angle BOC is...

A90°
B75°
C90°
D45°
৪.

Find the value of (3+1)(10+12)(12 − 2)(55−3)\:\left(\sqrt{3}+1\right)\left(10+\sqrt{1}2\right)\left(\sqrt{1}2\:-\:2\right)\left(55-\sqrt{3}\right)​.

A224
B148
C124
D176
৫.

A circle is inscribed in a right triangle whose legs measure 9 and 12. Find the radius of the circle.

A2
B3
C3.5
D4
৬.

In a geometric progression, the 3rd term is 12 and the 6th term is 96. Find the sum of the first 8 terms.

A510
B765
C1020
DNone
৭.

The present age of a father and his son are in ratio 7: 2. Five years ago the ratio was 6: 1. Find the sum of their present ages.

A45 years
B40 years
C35 years
D30 years
৮.

How many positive divisors of 7200 are perfect squares?

A4
B10
C12
D15
৯.

For x>0x > 0​, what is the minimum value of x + 16xx\:+\:\frac{16}{x}​=?

A4
B

8

C12
D16
১০.

A cistern is normally filled in 6 hours, but a leak makes it take 8 hours. How long would the leak alone take to empty a ful cistern?

A24 hours
B30 hours
C36 hours
D48 hours