The Complete Book of Intelligence Tests : 500 exercises to improve, upgrade and enhance your mind strength by Philip Carter Read Free Book Online Page A

the answer to sums such as 9 multiplied by 8 or 6 multiplied by 7
    almost without thinking. Perhaps this is not completely surprising in
    view of the widespread use of calculators and computers; nevertheless,
    proficiency at mental arithmetic is a valuable asset to have at one’s
    disposal and it is also an excellent way of exercising the brain.
    The following is a mental arithmetic speed test of 30 questions,
    which gradually increase in difficulty as the test progresses. You should
    work quickly and calmly and try to think at all times of the quickest and
    most efficient way of tackling the questions.
    You have 45 minutes in which to solve the 30 questions.
    The use of a calculator is not permitted in this test and only the
    answer should be committed to paper, the object of the test being that
    all the working out is done in your head.
    1 What is 9 multiplied by 8?
    2 What is 126 divided by 3?
    3 What is 15 multiplied by 11?
    4 What is 45% of 300?
    5 Multiply 7 by 12 and divide by 6.
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    The Complete Book of Intelligence Tests
    6 Divide 56 by 8 and add 17.
    7 What is 35% of 250?
    8 What is 5 of 240?
    8
    9 Multiply 15 by 6 and subtract 29.
    10 What is 3 of 92 plus 13?
    4
    11 Multiply 7 by 4 by 6.
    12 Divide 52 by 4 and add 17 multiplied by 3.
    13 What is 3206 divided by 7?
    14 Add 32 þ 8 þ 18 þ 25.
    15 What is 55% of 320?
    16 What is 5 of 270?
    9
    17 Which is greater, 5 of 112 or 7 of 88?
    8
    8
    18 Add 5683 to 1729 and divide by 2.
    19 Divide 672 by 12.
    20 Subtract 369 from 1250.
    21 Add 2 of 90 to 5 of 78.
    5
    6
    22 Multiply 72 by 15.
    23 What is 8 expressed as a decimal?
    40
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    Specific aptitude tests
    24 Deduct 865 from 1063.
    25 Multiply 694 by 11.
    26 Multiply 86 by 9 and add to 13 multiplied by 6.
    27 What is 1000 less 5 of 117?
    9
    28 What is 5.9 þ 6.8 þ 7.34?
    29 Deduct 7.3 from 34.2.
    30 Multiply 6.85 by 7.
    Test 2.13
    Working with numbers
    This test is a battery of 20 questions designed to measure your ability
    to work with numbers and think numerically.
    A time limit of 90 minutes is allowed.
    The use of calculators is not permitted in this test; however,
    written calculations are permitted.
    1 How many minutes is it before 12 noon if 68 minutes ago it was
    three times as many minutes past 10 a.m.?
    2 Jack is three times as old as Jill, but in three years time he will
    only be twice as old. How old are Jack and Jill?
    3 Mal is one-and-a-half times as old as Sal, and Sal is one-and-a-half
    times as old as Al. How old are Al, Sal and Mal if their combined
    ages total 114?
    4 If Alice gives Susan »6.00 the money they each have is in the
    ratio 2 : 1; however, if Susan gives Alice »1.00 the ratio is 1 : 3.
    How much money have Alice and Susan each before they
    exchange any money?
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    5 Bill and Ben share flower pots in the ratio of 3 : 5. If Bill has 180
    flower pots, how many has Ben?
    6 Tom, Dick and Harry wish to share out a certain sum of money
    between them. Tom gets two-fifths, Dick gets 0.45 and Harry
    gets »21.00. How much is the original sum of money?
    7
    How long are the sides of a rectangle which has a perimeter of 70
    units and an area of 276 square units?
    8 The call centre received its highest number of enquiries between
    3 p.m. and 4 p.m., which was 40% more than the 250 enquiries it
    received between 2 p.m. and 3 p.m. How many calls did the call
    centre receive between 3 p.m. and 4 p.m.?
    9 If A = 3, B = 4, C = 6 and D = 7, calculate the following:
    (C Â D) À (B Â C)
    (A þ C)
    10 During the first week of a sale a suit originally costing »280.00
    was reduced by 15%. At the beginning of the second week it was
    reduced by a further 10%. What was the final sale price?
    11 If my taxi journey takes 23 minutes and my train journey takes 49
    minutes longer, what is my total travelling time in hours