1.The numerator of the rational number 3/5 is *(a) 3(b) 5(c) 2(d) 82.The numerator of the rational number 1/100 is *(a) 100(b) 1(c) 10(d) 993.If 3/4 = ?/12, then ? = *(a) 3(b) 6(c) 9(d) 124.if 4/5 = 12/?, then ? = *(a) 5(b) 10(c) 15(d) 255.Which of the following is a negative rational number? *(a) 1/2(b) 3/4(c) −4/−5(d) 2/−36.The rational number −21/28 in standard form is *(a) −3/4(b) 3/4(c) 3/7(d) −3/77.Which of the following rational numbers is not equivalent to 7/−4 ? *(a) 14/−8(b) 21/−12(c) 28/−16(d) 7/−88.7/12 ÷ ( –7/12) = *(a) 1(b) -1(c) 7(d) -79.The ages of father and son are 45 years and 10 years. The ratio of their ages is *(a) 3 : 2(b) 5 : 2(c) 9 : 2(d) 15 : 29.The cost of 3 envelopes is ₹ 15. Find the cost of 5 envelopes. *(a) ₹ 20(b) ₹ 25(c) ₹ 30(d) ₹ 4010.The cost of 7 kg of potatoes is ₹ 42. How many kg of potatoes can be purchased for ₹ 96? *(a) 10 kg(b) 12 kg(c) 15 kg(d) 16 kg11.The cost of 4 m of cloth is Rs 40. Find the cost of 9 m of cloth. *(a) ₹ 90(b) ₹ 60(c) ₹ 50(d) ₹ 4012.A motorcycle goes 120 km in 3 l of petrol. How much petrol will be required to go 600 km? *(a) 10 l(b) 12 l(c) 15 l(d) 20 l13.5/2 as per cent is *(a) 125%(b) 150%(c) 200%(d) 250%14.0.1 as per cent is *(a) 1%(b) 10%(c) 100%(d) 0.1%15.Out of 40 children in a class, 10 are boys. What is the percentage of boys? *(a) 10%(b) 40%(c) 4%(d) 25%16.Out of 25 students, 5 are absent. What per cent of the students are absent? *(a) 10%(b) 20%(c) 25%(d) 30%17.What is 5% of 200? *(a) 2(b) 5(c) 10(d) 10018.There are 40 children in a class. 25% like playing football. How many children like playing football? *(a) 10(b) 20(c) 30(d) 4019.A shopkeeper bought a table for ₹ 500 and sold it for ₹ 400. Find the loss percentage. *(a) 10%(b) 20%(c) 40%(d) 50%20.The interest on a sum of ₹ 2500 for 4 years at the interest rate 4% is *(a) ₹ 100(b) ₹ 200(c) ₹ 300(d) ₹ 40021.The symbol for congruence is *(a) ≡(b) ≅(c) ↔(d) =22.For two given triangles ABC and PQR, how many matchings are possible? *(a) 2(b) 4(c) 6(d) 323.‘Under a given correspondence, two right-angled triangles are congruent if the hypotenuse and a leg of one of the triangles are equal to the hypotenuse and the corresponding leg of the other triangle.’The above is known as*(а) SSS congruence of two triangles(b) SAS congruence of two triangles(c) ASA congruence of two triangles(d) RHS congruence of two right-angled triangles24.We want to show that ∆ ART = ∆ PEN. We have to use SAS criterion. We have ∠ T = ∠ N, RT = EN. What more we need to show? *(a) PN = AT(b) PN = AR(c) PN = RT(d) None of these​