The banker's gain on a bill due 1 year hence at 15% p.a. is $9. The true discount is:
Q.2
A and B enter into a partnership with capitals in the ratio 5 : 6. At the end of 8 months, A withdraws his capital. If they receive profits in the ratio of 5 : 9, find how long B's capital was used.
Q.3
What is the value of x + y + w?
Q.4
Division of 133 by 19 gives remainder = 0. What is the H.C.F. (133, 9)?
Q.5
A began a business with $4500 and was joined afterwards by B with $3000. When did B join if the profits at the end of the year were divided in the ratio 2 : 1?
Q.6
Find the mean of the data given below: 10, 5, 13, 4, 9, 12, 11 and 24
Q.7
Leo buys a coloured TV for $10,000 and sells it for $12,000. Find his gain %.
Q.8
In the parallelogram shown below, find ∠ABC.
Q.9
The archery target has three concentric circular regions. The diameter of the regions are in the 1 : 2 : 3. What is the ratio of their areas?
Q.10
A, B, and C are partners. A receives 2/5 of the profit and B and C share the remaining profit equally. A's income is increased by $420 when the profit rises from 8% to 10%. Find the capitals invested by B and C together.
