Dear Readers,
As SSC CGL| CHSL| STENO | CPO notification is out and candidates have started their preparation for this exam. Mahendras also has started special quizzes for this examination. This series of quizzes are based on the latest pattern of the SSC CGL| CHSL| STENO | CPO examination. Regular practice of the questions included in the quizzes will boost up your preparations and it will be very helpful in scoring good marks in the examination.
Q.1. The average weight of 39 Students in aclass is 23. Among them Sita is the heaviest while Tina is the lightest. If both of them are excluded from the class still the average remains same. The ratio of weight of Sita to Tina is 15:8.Then what is the weight of the Tina?
(A) 15
(B)16
(C) 18
(D)19
Solution: (2)
Q.2. The ages of Four members of a familyare in the year 2010 are 'X', 'X+12, 'X+24' and 'X+36'. After some years Oldest among them was dead then average reduced by 3. After how many years from his death, the average age will same as in 2010?
(A) 2 Years
(B)3 Years
(C) 4 years
(D)6 Years
Solution: (2)
Q.3. The average of four numbers is 24.5. Of the four numbers, the first is 1.5 times the second, the second is 1/3 rd of the third,and the third is 2 times the fourth number. Then what is smallest of all those numbers?
(A)12
(B)13
(C)14
(D)15
Solution: (3)
Q.4. There are 459 students in a hostel. If the number of students increased by 36, the expenses of the mess increased by Rs.81 per day while the average expenditure
per head reduced by 1. Find the original expenditure of the mess?
(A)7304
(B)7314
(C)7324
(D)7344
Solution: (4)
Q.5. The average cost 32 different Mobiles is Rs.9000. Among them, Oppo which is thecostliest is 70% higher price than the cheapest Mobile Lava. Excluding those both mobiles, the average of the Mobiles is Rs.8880. Then what is the cost of Oppo Mobile?
(A) Rs.10000
(B) Rs.11600
(C) Rs.12400
(D) Rs.13600
Solution: (4)
Q.6. The average age of a family of 9 members is 22 years. Surya is the youngest and his age is 6 years, then what was the average age of the family just before Surya was
born?
(A) 15
(B)16
(C) 18
(D)20
Solution: (3)
Q.7. Dhoni scored 8000 runs in a certain number of innings. In the next five innings, he was out of form and hence, could make only 85 runs, as a result his average reduced by 1 run. How many innings did he play in total?
(A) 160
(B)165
(C) 170
(D)175
Solution: (2)
Q.8. The weights of 19 people are in Arithmetic progression. The average weight of them is 19. If the heaviest is 37 Kgs. Then what is the weight of the Lightest?
(A) 1 Kg
(B)2 Kg
(C) 3 Kg
(D)4 kg
Solution: (1)
Q.9. The average weight of 40 Students is 32. If the Heaviest and Lightest are excluded the average weight reduces by 1. If only the Heaviest is excluded then the average is 31.Then what is the weight of the Lightest?
(A) 30
(B)31
(C) 32
(D)33
Solution: (2)
Q.10. Average of 17 students in a class is X. When their marks are arranged in ascending order it was found to be in Arithmetic Progression. The class teacher found that rank the students who ranked 15th, 11th, 9th and 7th had copied the exam and hence they are suspended. Now the average of the remaining class is Y. Then
เคเค เคเค्เคทा เคฎें 17 เคाเคค्เคฐों เคा เคเคธเคค X เคนै। เคเคฌ เคเคจเคे เค
ंเคों เคो เคเคฐोเคนी เค्เคฐเคฎ เคฎें เคต्เคฏเคตเคธ्เคฅिเคค เคिเคฏा เคाเคคा เคนै เคคो เคฏเคน เคธเคฎांเคคเคฐ เคถ्เคฐेเคข़ी เคฎें เคชाเคฏा เคाเคคा เคนै। เคเค्เคทा เคถिเค्เคทเค เคจे เคชाเคฏा เคि 15เคตीं, 11เคตीं, 9เคตीं เคเคฐ 7เคตीं เคฐैंเค เคช्เคฐाเคช्เคค เคเคฐเคจे เคตाเคฒे เคाเคค्เคฐों เคจे เคชเคฐीเค्เคทा เคฎें เคจเคเคฒ เคी เคฅी เคเคฐ เคเคธเคฒिเค เคเคจ्เคนें เคจिเคฒंเคฌिเคค เคเคฐ เคฆिเคฏा เคเคฏा เคนै। เค
เคฌ เคถेเคท เคตเคฐ्เค เคा เคเคธเคค Y เคนै। เคคเคฌ
(A) X = Y
(B) X > Y
(C) X < Y
(D) X = 2Y
Solution: (3)
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MAHENDRA GURU