Q. The ratio of the number of boys and of girls in a school having 504 students is 13 : 11. What will be the new ratio if 3 more girls are admitted?
1) 7 : 6
2) 6 : 7
3) 10 : 11
4) 13 : 14
Q. If a : (b + c) =1 : 3, and c : (a + b) =5 : 7, then b : (a + c) is equal to -
1) 1 : 2
2) 2 : 3
3) 1 : 3
4) 2 : 1
Q. A dealer offers a discount of 10% on the marked price of an article and still makes a profit of 20%. If its marked price is Rs .800, then the cost price of the article is -
1) Rs.900
2) Rs.800
3) Rs.700
4) Rs. 600
Q. A single discount, equivalent to successive discounts of 30%, 20%, and 10% is -
1) 50%
2) 49.60%
3) 49.40%
4) 51%
Q. A shopkeeper claims to sell all of his articles at a discount of 10%; but marks his articles by increasing the cost price of each article by 20%. His gain on each article is -
1) 6%
2) 8%
3) 10%
4) 12%
Q. 92 ÷ 8 ÷ 2 = ?
1) 4.75
2) 5.75
3) 4.25
4) 5.25
Q. If square A with side 2 cm is joined with square B with side 2 cm, what is the area (in cm2) of the figure formed by joining A and B?
1) 4
2) 6
3) 8
4) 16
Q. A shopkeeper announces a discount of 48% and then a further discount of 15%. What is the final sale price (in ₹, to the nearest ₹) of a sofa costing ₹ 29,600, and what is the discount (in ₹)?
1) 13280, 16517
2) 13083, 16517
3) 16517, 13083
4) 16517, 13280
Q. AB is a chord of a circle with center O, while PAQ is the tangent at A, and R is a point on the minor are AB. If ∠BAQ = 70°, then find the measure of ∠ ARB.
1) 110°
2) 125°
3) 70°
4) 145%deg;
Q. If a positive number 'k' when multiplied by 30% of itself gives a number that is 170%, more than the number 'k' then the number 'k' is equal to -
1) 9
2) 5
3) 6
4) 7
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