A student bought 3 notebooks and 1 pen for N35. After misplacing these items, she again bought 2 note books and 2 pens, all of the same type for N30. What is the cost of a pen?
(a) N5.00
(c) N10.00
Answer: A
If the simple interest on N2, 000 after 9 months is N6, at what rate per annum is the interest charged?
Answer: B
A man bought a television set on hire purchase for N25, 000 out of which he paid N10,000. If he is allowed to pay the balance in eight equal installments, find the value of each Installment.
Answer: C
A car moves at an average speed of 30kmh-1, how long does it take to cover 200 metres?
(a) 2.4sec
(c) 144sec
1000m =1km,
1 hr = 340 sec
30km = (30 ×1000)m =30,000m
First how long will it take to cover a meter = 1/30,000 × 360 sec = 0.0000333333 × 360 = 0.012m per second.
First how long will it take to cover 200m = 200 × 0.012 sec = 2.4 sec.
A man bought 2220 mangoes at N5x. He sold each for 3x kobo and made gain of N8. Find the value of x.
