Related Questions

Two different schools, A and B, have the same number of students. The ratio of the boys in school A and the boys in school B is 2:1 and the ratio of the girls in school A and the girls in school B is 4:5. What is the ratio of the boys in school A to the girls in school A?
ক 1:2
খ 2:3
গ 3:4
ঘ 4:5
A brother and sister leave home for school. The brother goes 0.5 km East, then turns right and goes 3.5 km and reaches his school. The sister goes 2.5 km North, then 1 km West, then turns left and goes 6 km and reaches her school. Where is the brother's school with respect to the sister's school?
ক 0.5 km East
খ 1.5 km West
গ 0.5 km West
ঘ 1.5 km East
In 2007, the arithmetic mean of the annual incomes of Rahim and Karim was Taka 3800 . The arithmetic mean of the annual incomes of Karim and Ripon was Ripon and Rahim was TaKa5800. What is the arithmetic mean of the incomes of the three ?
ক 3200
খ 1200
গ 2400
ঘ 4800
Who is considered the greatest scientist after Einstein?
ক Blaiac Pascal
খ Stephen' Hawking
গ John Bardeen
ঘ H. David Politzer
What did officials expect to see the Scientist Einstein?
ক The officials expected to see someone to be a very absent minded
খ The officials expected to see someone to be a thoughtful person
গ The officials expected to see someone to be a well dressed person
ঘ The officials expected to see someone to be a smart and aristocratic person
A student walks from his house at a speed of 2 12 K per hour and reaches his school 6 minutes late. The next day he increases his speed by 1 km per hour and reaches 6 minutes before school time. How far is the school from his house?
ক 1 14km
খ 1 34km
গ 2 14km
ঘ 2 34km
A can do a piece of work in 24 days, B in 32 days and C in 64 days. All begin to do it together, but A leaves after 6 days and B leaves 6 days before the completion of the work. How many days did the work last?
ক 20
Half the graduating class of a college was accepted by a business school. One-third of the class was accepted by a law school. It one-fifth of the class was accepted by both types of school, what fraction of the class was accepted only by a law school?
ক 2/15
খ 1/6
গ 1/3
ঘ 1/2
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?
ক 4 days
খ 5 days
গ 6 days
ঘ 8 days
The arithmetic mean of the 5 consecutive integers starting with 'p' is 'q'. What is the arithmetic mean of 9 consecutive integers that start with (p+2)?
ক 2+p+q
খ 2+q
গ 2q+2
ঘ 4+q

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