Question
Sunset Publications sold a testbook for Rs. 230 and made
a profit of 15% on CP and sold a Encyclopedia for Rs. 805 and made a profit of 20% on its CP. If the publication sold the testbook for Rs. 360, then find at what price should the Encyclopedia be sold to make a profit of 17% on both the books?Solution
CP of Textbook = 230/115 × 100 = Rs. 200 CP of Encyclopedia = 805/115 × 100 = Rs. 700 For 20% profit on both, = (200 + 700) × 120/100 = Rs 1080 Encyclopedia should be sold, = 1080 – 360 = Rs. 720
18 45 90 235 450 1125 2250
...42, 85, 172, 343, 687, 1375
1, 4, 20, 126, 1026, 10170
79, 152, 231, 314, 405, 500
Find the wrong no in the given number series.
11, 18, 32, 60, 112, 228
Find the wrong number in the given number series.
21, 11, 12, 19, 41, 105
- Find the wrong number in the given number series.
154, 137, 114, 84, 46, 11 - Find the wrong number, in the given number series.
2, 5, 11, 23, 47, 97, 191 23, 36, 53, 69, 95, 124, 155
109 106 101 94 86 74
...