Related Questions

Sohana's mathematics test had 75 problems i.e. 10 arithmetic, 30 algebra and 35 geometry problems each carrying I mark She answered 70% of the arithmetic, 40% of the algebra and 60% of the geometry problems correctly. She did not pass the test as she got less than 60% marks. How many more questions she would have needed to answer correctly to earn a 60% passing grade?
A 5
B 10
C 15
D 20
Faruk can do a work in 12 days and Salam can do the same work in 8 days. If Faruk , Salam and Babu work together , they can complete the work in 4 days . How many days will it take Babu to complete the work alone ?
A 16
B 20
C 24
D 32
A can finish a work in 5 days and B takes 4 days to do the same work. If the work is increased by 8 times, how many days will it take for both of them to finish the work if they work together?
A 10 days
B 15 days
C 20 days
D 25 days
A can finish a work in 5 days and B takes 4 days to do the same work . If the work is increased by 8 times, how many days will it take for both of them to finish the work if they work together?
A 20 days
B 15 days
C 10 days
D 25 days
Mujahid can do a work in 8 days, while has colleagues Asad takes 12 days and Mithun takes 16 days to complete the same.Mujahid and Asad started the work and after few days Asad left the work keeping it incomplete. Rest of the work was completed by Mujahid and Mithun in 2 days.How long it took to complete the whole work?
A 4 days
B 5 days
C 6 days
D 8 days
Boolean Algebra --এর নিচের কোনটি সঠিক?
A A + A' = 1
B A . A' = 1
C A + A = 2A
D উপরের কোনোটিই নয়
Not until a student has mastered algebra —the principles of geometry, trigonometry and physics
A he can begin to understand
B can be begin to understand
C he begins to understand
D begins to understand
According to Boolean algebra the value of (A + AB) (B + AB ) is
A AB
B B
C A
D 1
According to Boolean algebra the value of (A+AB).(B+AB) is
A A
B B
C AB
D 1
Put the correct preposition in the blank . I am quite -- home in Algebra
A at
B for
C in
D of

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