Quantitative Aptitude

1 CHAP......Page 1
Ex. 5. Evaluate : (i) 986 x 237 + 986 x 863    (ii) 983 x 207 - 983 x 107......Page 5
2 CHAP......Page 11
SOLVED EXAMPLES......Page 12
IMPORTANT FACTS AND FORMULAE......Page 17
Ex. 4. Evaluate : (i) 6202.5 + 620.25 + 62.025 + 6.2025 + 0.62025......Page 19
Ex. 7. Find the products: (i) 6.3204 * 100  (ii) 0.069 * 10000......Page 20
Ex. 15. Express as vulgar fractions : (i) 0.17  (ii) 0.1254 (iii)  2.536......Page 21
Ex. 3. What value will replace the question mark in the following equation?......Page 22
SOLVED EXAMPLES......Page 31
6 CHAP......Page 36
Ex. 2. Find a number such that when 15 is subtracted from 7 times the number, the......Page 39
8 CHAP......Page 42
9 CHAP......Page 44
IMPORTANT FACTS AND FORMULAE......Page 49
(i) 56%  (ii) 4%  (iii) 0.6%  (iv) 0.008%......Page 50
Then,(1/2)[100-(3*20)]% of x=12000......Page 54
FORMULA......Page 58
When sp =Rs25.75 ,profit =Rs(25.75-25)=Rs 0.75......Page 59
Ex.8. The cp of 21 articles is equal to sp of 18 articles.find gain or loss %......Page 60
Ex .17 An article is sold at certain price. By selling it at 2/3 of its price one losses 10%,find the gain at original price ?......Page 61
2nd S.P=130% of 4x/5=(130/100*4x/5)=26x/25......Page 62
Let C.P =Rs 100.then ,marked price =Rs100......Page 64
S.P=Rs(100-36)=Rs 64......Page 65
12 CHAP......Page 67
SOLVED PROBLEMS......Page 68
SOLVED EXAMPLES......Page 70
14 CHAP......Page 73
SOLVED EXAMPLES......Page 77
Then, 2x+3y = 1 and 3x+2y = 1......Page 80
SOLVED EXAMPLES......Page 81
17 CHAP......Page 84
18 CHAP......Page 88
SOLVED EXAMPLES......Page 93
SOLVED EXAMPLES......Page 95
So as to have a mixture worth Rs.10 2/3  a litre ?......Page 96
IMPORTANT FACTS AND FORMULAE......Page 99
IMPORTANT FACTS AND FORMULAE......Page 103
SOLVED EXAMPLES......Page 104
IMPORTANT FORMULAE......Page 108
SOLVED EXAMPLES......Page 109
VI. HEMISPHERE......Page 116
SOLVED EXAMPLES......Page 117
Ex. 12. If each edge of a cube is increased by 50%, find the percentage increase in......Page 119
Ex. 21. Find the length of canvas 1.25 m wide required to build a conical tent of  base radius 7 metres and height 24 metres.......Page 120
Then (22/7)*10*10*h =(22*4*12*50)/7 or h = (4*12*50)/100 = 24 cm......Page 121
Volume of each bullet......Page 122
26 CHAP......Page 124
IMPORTANT FACTS AND FOAMULAE......Page 127
SOLVED EXAMPLES......Page 128
Jan. Feb. March April May June July......Page 129
SOLVED EXAMPLES......Page 131
29 CHAP......Page 136
IMPORTANT FACTS AND FORMULAE......Page 140
SOLVED EXAMPLES......Page 141
31 CHAP......Page 144
SOLVED EXAMPLES......Page 147
SOLVED EXAMPLES......Page 150
34 CHAP......Page 153
SOLVED EXAMPLES......Page 154
TYPES OF BATTERIES......Page 158
(8800+9500)......Page 161
37 CHAP......Page 166
38 CHAP......Page 175
MARKS OBTAINED BY A STUDENT IN SIX PERIODICAL EXAMS HELD IN......Page 183
Number of vehicle Manufactured by Two Companies over the Years......Page 186