#everydayquiz #10Questions #8 minutes
1. In an examination a student attempted all 60 questions. He gets 2 marks for every right answer and minus 1 marks for each wrong answer. Find how many wrong questions were he attempted if got total 72 marks ?
1) 48
2) 58
3) 16
4) 20
7. Average monthly salary of 8 technicians of a workshop was Rs. 1200 and average monthly salary of non-technician was Rs. 300. Find total number of employee of this workshop if average monthly salary of all the employee was Rs. 500 ?
1) 16
2) 36
3) 56
4) 40
5) None of these
8. A shopkeeper buys some quantity of lemon at the rate 3 in Rs. 2 and buys same quantity of lemon at the rate 2 in Rs. 3. He sold all of them at the rate 5 in Rs. 5. If during the transaction the shopkeeper losses Rs. 30. Find the quantity of the first types of lemon that he mixed ?
1) 360
2) 280
3) 180
4) 240
5) None of these
9. A shopkeeper gives two successive discount of 50% and 40% respectively. If second discount is Rs. 180. Find selling price of this article ?
1) 900
2) 270
3) 370
4) 570
5) None of these
10. A man travels 25% part of the Journey at the speed of 50 km/hr, next 60 % part of the journey at the speed of 40 km/hr. and rest part of the journey at the speed of 20 km/hr. Find average speed of the men during whole journey ?
1) 34 4/11 km/hr
2) 37 4/11 km/hr
3) 36 4/11 km/hr
4) 80 km/hr
5) None of these
Answers:
6. 3
Let he attempted ‘x’ correct and ‘y’ wrong question
2x - y = 72-------- (I) and x + y = 60 -------- (II)
Solving (I) and (II) x = 44, y = 16
7. 2
Let number of non technician = x
1200 × 8 + 300 × x = ( 8 + x) × 500
9600 + 300 x = 500 x + 4000
x = 28
Total employee = 8 + 28 = 36
8. 3
Let no. of Ist type lemon = No. of IInd type lemon = x
CP = 2x/3 + 3x/2 = 13x/6
SP = 2x * 5/5 = 2x
13x/6 - 2x = 30
13x - 12x = 180
x = 180
9. 2
Let cost of article after Ist discount is x
x * 40/100 = 180
x = 450
SP after IInd discount = 450 - 180 = 270
10. 3
Let total distance is 100KM
T1 = 25/50 = 1/2 hour
T2 = 60/40 = 3/2 hour
T3 = 15/20 = 3/4 hour
T = 1/2 + 3/2 + 3/4 = 11/4 hour
Avg speed = 100/(11/4) = 36 4/11 km/hr
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