26% of goods were sold at a profit of 55%, while the remaining ere sold at x% loss. If the overall loss is 11%, then what is the value of x? (correct to one decimal place) (a) 30.3 (b) 34.1 (c) 33.3 (d) 35.1 Sol: 26% = → total goods. ATQ. 13 → 55% = […]
A boy wrote successive whole numbers starting from 1 up to 800. In doing so, how many times did he write the digit 8? (a) 160 (b) 161 (c) 152 (d) 260 Sol: In line ⊣ 8, 18, 28, —- 98 = 10 × 8 = 80 In line ⊣ 80, 81, 82, ——89 ⇒
A metallic wire of uniform cross-section is melted to form 28 small solid spheres of radius 12.6 cm each. If the radius of wire is 1/7 time more than the radius of each sphere, what is the length of the wire? (a) 260 cm (b) 360 cm (c) 326 cm (d) 390 cm Sol:
Let x =444133+831616-463°×3416-24662 then what is the unit digit of x ? (a) 8 (b) 2 (c) 0 (d) 5 Sol:
Let x =444133+831616-463°×3416-24662 then what is the unit digit of x Read More »
Find the value of cot3A-3cotA/3 cot2A-1 (a) cot²2A + tan²A (b) tan²2A + cot²A (c) tan3A (d) cot3A Sol: As we know that: tanA + tanB + tanC = tanA tanB tanC Sin2A + sin2B + sin2C = 4 sinA sinB sinC
Ram travels a certain distance from his room at a constant speed. If his speed was 6km faster than he would take 18 hours less than the scheduled time. If he was 4km/hr. slow, he would take 14 hours more than the scheduled time. Find the distance covered by Ram? (a) 13530km (b) 13440km (c)
In the figure, PQR is a right angle triangle with angle Q = 90, QR = 17.5 cm and PQ = 42 cm, with PR as a diameter of a semicircle and with QR as radius, a quarter circle is drawn. Find th e area of the shaded portion correct to two decimal places (a)
Two solid hemisphere of radius 9 cm and 7 cm respectively are melted to form a metallic cone of radius 15 cm, what is the height of the cone (in cm) (a) 9.52 cm (b) 8.76 cm (c) 7.64 cm (d) 8.52 cm Sol: h = 9.52 cm.
A certain bank offers 7% rate of interest on the 1st year and 8% on the 2nd year in a certain fixed deposit scheme (compounded annua). If 17,334are received after investing for 2 years in this scheme, then what was the amount invested? (a) 15500 (b) 16000 (c) 15000 (d) 16500 Sol:
Two company invest Rs. 125000 and Rs. 85000 respectively in education industry and agree that 60% of the profit should be divided equally between them and the remaining profit is divided in the ratio of their capital invested. If one company gets Rs.300 more than the other, then find total profit made in this deal?
