Q31. In a fertilizer which is a mixture of Urea and Potas, the ratio of Urea and Potas is 4:1. If 5 kg of Potas is mixed with 25 kg of that fertilizer, what will be the new ratio of Urea and Potas in that fertilizer ?

• 3:1
• 2:1
• 3:2
• 4:3

Q32. A trader buys some articles at the rate of 5 for a rupee and sells them at the rate of 4 for a rupee. Find his gain per cent.

• 45
• 40
• 30
• 25

Q33. Two trains, 132 metre and 108 metre in length are running towards each other on separate parallel lines, one at a speed of 32 km/h and the other at a speed of 40 km/h. In what time will they pass each other from the moment they meet?

• 12 seconds
• 10 seconds
• 15 seconds
• 20 seconds

Q34. If diagonals of a parallelogram are equal then

• it is a rectangle
• it is a parallelogram
• Both (A) and (B) are correct
• None of these

Q35. In a Rhombus :

• all sides are equal
• all sides are not equal
• Both (A) and (B) are correct
• None of these

Q36. First Rs. 8,000 of annual income is tax free and income tax is 1 % beyond this. An employee paid Rs. 160 as income tax in a year. His monthly income is :

• Rs. 1500
• Rs. 2000
• Rs. 2500
• Rs. 3500

Q37. Two person start from the same point and walk on a circular path at the same speed but in opposite direction. They will be diametrically opposite to each other when each has covered :

• <sup class="frac">1</sup>&#8260;<span class="frac">16</span>th distance
• <sup class="frac">1</sup>&#8260;<span class="frac">8</span>th distance
• <sup class="frac">1</sup>&#8260;<span class="frac">2</span>th distance
• <sup class="frac">1</sup>&#8260;<span class="frac">4</span>th distance

Q38. If the radius of a circle is diminished by 10 % , then its area is diminished by :

• 10 %
• 19 %
• 20 %
• 36 %

Q39. The value of √156 . 25

• 12.5
• 2.45
• 6.25
• 3.85

Q40. What is 50 % of 40 % of Rs. 3,450 ?

• Rs. 690
• Rs. 520
• Rs. 517.5
• None of these