Three sides of a triangular field are of length 15 m, 20 m and 25 m long, respectively.
750
150
300
600
A.
750
It can be clearly concluded from the side, that triangle is right angled triangle.
∴ Area of the triangular field
So, rate of sowing seed per sq m. is ₹ 5
∴ Cost of sowing seed for 150 m2 = 150 x 5 = ₹ 750
A, B, C and D purchase a gift worth ₹ 60. A pays 1/2 of what others are paying, B pays 1/3rd of what others are paying and C pays 1/4 of what others are paying. What is the amount paid by D?
14
15
16
13
Mohan gets 3 marks for each correct sum and loses 2 marks for each wrong sum. He attempts 30 sums and obtains 40 marks. The number of sums solved correctly is
25
10
15
20
If the length of the sides of a triangle are in the ratio 4 : 5 : 6 and the inradius of the triangle is 3 cm, then the altitude of the triangle corresponding to the largest side as base is
10 cm
8 cm
7.5 cm
6 cm
The cost of manufacture of an article was ₹ 900. The trader wants to gain 25% after giving a discount of 10%. The marked price should be
₹ 1000
₹ 1500
₹ 1250
₹ 1200
A person distributes his pens among four friends A, B, C and D in the ratio . What is the minimum number of pens that the person should have?
75
45
57
65