What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?
20
10
5
15
A.
20
a = 55, b = 100, c = 65 and d = 116
Required number:
A batsman makes a score of 111 runs in the 10th match and thus increases his average runs per match by 5. What will be his average after the 10th match?
66
61
62
64
A.
66
Let the average after 10th match be x.
∴ average after 9th match (x - 5).
Now,
According to the question,
A vendor buys 6 bananas for ₹ 25/- and sells them at 3 for ₹ 20/-. What is his profit percentage?
50%
40%
60%
30%
C.
60%
Shortcut Method:
The compound interest earned in two years at 12% per annum is ₹ 10,176/-. What is the sum (in ₹) invested?
₹ 50,000/-
₹ 60,000/-
₹ 40,000/-
₹ 80,000/-
C.
₹ 40,000/-
Let the sum invested be ₹ P.
What is the area (in cm^{2}) of a rectangle if its diagonal is 25 cm and one of its sides is 24 cm?
186 cm^{2}
144 cm^{2}
132 cm^{2}
168 cm^{2}
D.
168 cm^{2}
In Δ ABC,
AC^{2} = AB^{2} + BC^{2}
25^{2} = AB^{2} + 24^{2}
AB^{2} = 25^{2} - 24^{2}
AB^{2} = 625 - 576
AB^{2} = 49
AB = 7
Now, l(length) =24 cm (given ) Breadth (b) = 7 cm
∴ Area of rectangle = l x b = 7 x 24 = 168 cm^{2}
A shopkeeper marks up his wares by 60% and offers 25% discount. What will be the selling price (in ₹) if the cost price is ₹ 1,600/-?
₹ 1,920/-
₹ 2,000/-
₹ 2,120/-
₹ 2,200/-
A.
₹ 1,920/-
Cost Price = ₹ 1,600
Marked price:
Selling price:
A man travelled a distance of 60 km in 7 hours. He travelled partly on foot @ 6km/h and partly on bicycle @ 12 km/h. What is the distance (in km) travelled on foot?
15 km
9 km
48 km
24 km
D.
24 km
Let the distance travelled on foot = d km
According to the question,
Two labourers A and B are paid a total of ₹ 650 per day. If A is paid 160% of what is paid to B, how much (in ₹) is B paid?
₹ 250/-
₹ 400/-
₹ 350/-
₹ 450/-
A.
₹ 250/-
A : B = 160 : 100 = 8 : 5.
Total Wages per day = ₹ 650
B's wages per day:
What is the quotient when 7251 is divided by 66?
110
109
111
112
B.
109
7251 = 66 x 109 + 57
∴ Quotient = 109
Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?
90 days
45 days
60 days
75 days
B.
45 days
Let Asif takes x days to finish the work.
∴ Bashir takes 2x days.
Now,
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