Pattern repeats every 6 shapes. In each group of 6 shapes, there are 2 triangles. 200 $\div$ 6 = 33 R2 33 $\times$ 2 = 66 triangles

Every year around the Christmas period, Shaun and his church friends always go around carolling, at 7pm to 10pm each weekday night. If the group spends an hour for each house, inclusive of travelling time, and they started on Wednesday at 7pm, which day and at what time would they complete carolling for a street which contains 13 houses?

1st of April 2019 was a Monday. On which day of the week was 26th of April that year?

A

Thursday

B

Friday

C

Saturday

D

Sunday

E

None of the above

Sorry. Please check the correct answer below.

1$^{st}$ April to 26$^{th}$ April $\longrightarrow$ 25 days
25 $\div$ 7=3 R4 $\longrightarrow$ 3 weeks 4 days
3 weeks after Monday $\longrightarrow$ Monday
4 days after Monday $\longrightarrow$ Friday

1$^{st}$ April to 26$^{th}$ April $\longrightarrow$ 25 days
25 $\div$ 7=3 R4 $\longrightarrow$ 3 weeks 4 days
3 weeks after Monday $\longrightarrow$ Monday
4 days after Monday $\longrightarrow$ Friday

Find the sum of the first 48 numbers in 13579135791357913579$\cdots$

A

234

B

236

C

238

D

240

E

None of the above

Sorry. Please check the correct answer below.

Pattern repeats every 5 numbers. Sum of these 5 numbers =1+3+5+7+9=25 48 $\div$ 5 = 9R3 Sum of first 48 numbers = 9 $\times$ 25 + 1 + 3 + 5 = 234